{"title":"Replacement Filters","description":"\u003cstyle\u003e.col-wrap{--col-deep:#022c22;--col-mid:#065f46;--col-accent:#10b981;--col-offwhite:#ecfdf5;--col-text:#022c22;--col-muted:#047857;}\u003c\/style\u003e\u003cdiv class=\"col-wrap\"\u003e\n  \n  \u003cdiv class=\"col-hero\"\u003e\n    \u003cp class=\"col-eyebrow\"\u003eWater Filtration Solutions\u003c\/p\u003e\n    \u003ch2\u003ePremium \u003cem\u003eReplacement Filters\u003c\/em\u003e for Every System\u003c\/h2\u003e\n    \u003cp class=\"col-tagline\"\u003eHigh-performance cartridges engineered to remove contaminants and ensure pure, clean water throughout your home or business\u003c\/p\u003e\n    \u003cdiv class=\"col-badges\"\u003e\n      \u003cspan class=\"col-badge\"\u003eMultiple Micron Ratings\u003c\/span\u003e\n      \u003cspan class=\"col-badge\"\u003eCarbon \u0026amp; Sediment Options\u003c\/span\u003e\n      \u003cspan class=\"col-badge\"\u003eIndustry Standard Sizes\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"col-callout\"\u003e\n    \u003cp\u003eTo ensure the best water quality, it's essential to choose the right filter for your specific needs. Our comprehensive replacement filter collection includes carbon block, sediment, pleated cellulose, and specialized filtration cartridges designed to tackle chlorine, lead, cysts, and particulate contamination in standard 10\" x 2.5\" housing sizes.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"col-section\"\u003e\n    \u003cp class=\"col-label\"\u003eFilter Categories\u003c\/p\u003e\n    \u003ch3 class=\"col-title\"\u003eChoose Your Filtration Technology\u003c\/h3\u003e\n    \u003cdiv class=\"col-grid\"\u003e\n      \u003cdiv class=\"col-card\"\u003e\n        \u003cspan class=\"col-icon\" aria-hidden=\"true\"\u003e🔬\u003c\/span\u003e\n        \u003ch3\u003eCarbon Block Filters\u003c\/h3\u003e\n        \u003cp\u003eAdvanced activated carbon technology removes chlorine, taste, odor, and organic contaminants while providing sub-micron filtration. Options include lead reduction, cyst removal, and radial flow designs for maximum contact time and chemical absorption.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"col-card\"\u003e\n        \u003cspan class=\"col-icon\" aria-hidden=\"true\"\u003e💧\u003c\/span\u003e\n        \u003ch3\u003eSediment Filters\u003c\/h3\u003e\n        \u003cp\u003eMechanical filtration removes dirt, rust, sand, and particulate matter from water sources. Available in pleated cellulose and wound polypropylene configurations with micron ratings from 1 to 50 microns, suitable for pre-filtration and whole-house applications.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"col-card\"\u003e\n        \u003cspan class=\"col-icon\" aria-hidden=\"true\"\u003e🛡️\u003c\/span\u003e\n        \u003ch3\u003eSpecialty Cartridges\u003c\/h3\u003e\n        \u003cp\u003eEngineered for targeted contaminant removal including lead reduction, cyst filtration, and microbiological protection. Features include flow restrictors for optimal contact time, PES membrane technology, and certified performance for health-related contaminant reduction.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"col-section\"\u003e\n    \u003cp class=\"col-label\"\u003eReplacement Process\u003c\/p\u003e\n    \u003ch3 class=\"col-title\"\u003eHow to Replace Your Filter Cartridge\u003c\/h3\u003e\n    \u003cdiv class=\"col-pipeline\"\u003e\n      \u003cdiv class=\"col-step\"\u003e\n        \u003cdiv class=\"col-step-num\"\u003e1\u003c\/div\u003e\n        \u003cdiv class=\"col-step-body\"\u003e\n          \u003ch3\u003eShut Off and Depressurize\u003c\/h3\u003e\n          \u003cp\u003eTurn off the water supply to your filtration system and open a downstream faucet to release pressure from the housing. Use a filter wrench to carefully unscrew the housing sump, keeping a bucket nearby to catch any remaining water inside the filter housing.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"col-step\"\u003e\n        \u003cdiv class=\"col-step-num\"\u003e2\u003c\/div\u003e\n        \u003cdiv class=\"col-step-body\"\u003e\n          \u003ch3\u003eRemove and Replace Cartridge\u003c\/h3\u003e\n          \u003cp\u003eTake out the old filter cartridge and dispose of it properly. Clean the inside of the housing with mild soap and water, inspect the o-ring for damage or wear, and apply a thin layer of food-grade silicone grease before installing the new cartridge into the housing sump.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"col-step\"\u003e\n        \u003cdiv class=\"col-step-num\"\u003e3\u003c\/div\u003e\n        \u003cdiv class=\"col-step-body\"\u003e\n          \u003ch3\u003eReassemble and Flush System\u003c\/h3\u003e\n          \u003cp\u003eThread the housing back onto the filter head hand-tight, then snug with a wrench without over-tightening. Slowly turn the water supply back on and check for leaks. Run water through the system for five minutes to flush out any carbon fines or air from the new filter before normal use.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"col-tip\"\u003e\n    \u003cspan aria-hidden=\"true\"\u003e💡\u003c\/span\u003e\n    \u003cp\u003e\u003cstrong\u003eExpert Tip:\u003c\/strong\u003e Replace sediment pre-filters every three to six months and carbon block filters every six to twelve months depending on water quality and usage volume. Mark your calendar on installation day to ensure timely replacement and maintain optimal filtration performance and flow rate.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"col-benefits\"\u003e\n    \u003cdiv class=\"col-benefit\"\u003e\n      \u003cspan class=\"col-bi\" aria-hidden=\"true\"\u003e🎯\u003c\/span\u003e\n      \u003ch4\u003ePrecise Contaminant Removal\u003c\/h4\u003e\n      \u003cp\u003eEach filter is engineered with specific micron ratings and filtration media to target particular contaminants, from large sediment particles down to sub-micron cysts and lead, ensuring your water meets the highest purity standards.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"col-benefit\"\u003e\n      \u003cspan class=\"col-bi\" aria-hidden=\"true\"\u003e⚙️\u003c\/span\u003e\n      \u003ch4\u003eUniversal Compatibility\u003c\/h4\u003e\n      \u003cp\u003eStandard 10 inch by 2.5 inch dimensions fit most residential and commercial filter housings from major manufacturers, making it easy to find the right replacement cartridge for your existing water treatment system.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"col-benefit\"\u003e\n      \u003cspan class=\"col-bi\" aria-hidden=\"true\"\u003e🌱\u003c\/span\u003e\n      \u003ch4\u003eEco-Friendly Options\u003c\/h4\u003e\n      \u003cp\u003eSelect from environmentally conscious filtration solutions including coconut shell carbon, renewable cellulose media, and recyclable polypropylene materials that deliver exceptional performance while minimizing environmental impact.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"col-benefit\"\u003e\n      \u003cspan class=\"col-bi\" aria-hidden=\"true\"\u003e📊\u003c\/span\u003e\n      \u003ch4\u003eCertified Performance\u003c\/h4\u003e\n      \u003cp\u003eOur replacement filters meet or exceed NSF and industry standards for contaminant reduction, structural integrity, and material safety, providing documented assurance that your water filtration system operates at peak efficiency.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","products":[{"product_id":"empty-inline-cartridge-2-x-13","title":"PureT - Empty Refillable Cartridge 10\" x 2\" Clear Inline with 1\/4\" NPT","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM Sans',sans-serif;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-wrap:break-word;word-break:break-word;min-width:0;\n  }\n  .ro-wrap .ro-hero{background:linear-gradient(135deg,var(--deep) 0%,var(--ocean) 50%,#1a5276 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!important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003eEmpty Refillable Cartridge\u003c\/div\u003e\n\u003ch2\u003e\n\u003cem\u003ePureT 10\" x 2\" Clear Inline\u003c\/em\u003e with 1\/4\" NPT Threads\u003c\/h2\u003e\n\u003cdiv class=\"ro-tagline\"\u003eFDA-grade polypropylene housing for custom media configurations in any reverse osmosis or filtration system\u003c\/div\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Refillable design\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Crystal clear housing\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Universal 1\/4\" NPT\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ FDA polypropylene\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eThe PureT empty refillable cartridge gives you complete control over your filtration media. Fill with DI resin, activated carbon, specialty adsorbents, or any media up to \u003cstrong\u003e10 inches in length and 2 inches in diameter\u003c\/strong\u003e. Includes O-ring and end pads for reliable sealing. Fittings and mounting clips sold separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eWhat's Included\u003c\/h3\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eDimensions\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e10\" length x 2\" diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eThread Size\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e1\/4\" NPT (both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eHousing Material\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eFDA-approved polypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eHousing Type\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eClear transparent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eIncluded Components\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eCartridge body, O-ring, end pads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eNot Included\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eFittings, mounting clips, filter media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eUniversal Add-On Stage\u003c\/h3\u003e\n\u003cp\u003eCompatible with any reverse osmosis system, RO\/DI system, or inline filtration setup as an additional polishing or specialty stage. Common applications include refillable DI resin beds for aquarium and laboratory use, custom carbon blends for taste and odor control, catalytic media for chloramine reduction, and specialty adsorbents for targeted contaminant removal. Works with standard 1\/4\" quick-connect fittings or NPT threaded connections.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eIsopure Water supplies commercial-grade filtration components for system builders, hobbyists, and service technicians who demand precision and flexibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Isopure Water","offers":[{"title":"Default Title","offer_id":35470040006818,"sku":"IL-10C-EP-S14","price":8.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/product-5536586465442-padded.jpg?v=1777268809"},{"product_id":"united-filters-international-10-x-4-5-big-blue-depth-string-wound-sediment-filter","title":"United Filters International 10\" x 4.5\" Big Blue Depth String Wound Polypropylene Sediment Filter","description":"\n\u003clink 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.benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003eUnited Filters International\u003c\/div\u003e\n\u003ch2\u003e10\" x 4.5\" Big Blue \u003cem\u003eDepth String Wound Sediment Filter\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"ro-tagline\"\u003eTrue depth filtration with high dirt holding capacity for whole house, well, and commercial applications\u003c\/div\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Polypropylene Construction\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Wide Micron Range Available\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Chemical \u0026amp; Corrosion Resistant\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ FDA \u0026amp; Non-FDA Options\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eUFI's string wound cartridge filters deliver superior one-piece construction through a continuous high-speed wind process. Designed for demanding chemical environments, these \u003cstrong\u003e10\" x 4.5\" polypropylene filters\u003c\/strong\u003e offer extremely low media migration and handle temperatures up to \u003cstrong\u003e120°F\u003c\/strong\u003e with excellent resistance to acids, alkalis, and oxidizing agents.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eKEY FEATURES\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eEngineered for Chemical Resistance and Long Service Life\u003c\/h3\u003e\n\u003cdiv class=\"ro-feature-grid\"\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🔬\u003c\/span\u003e\n\u003ch3\u003eTrue Depth Filtration\u003c\/h3\u003e\n\u003cp\u003eContinuous wind manufacturing creates consistent porosity throughout the entire cartridge depth for maximum dirt holding capacity\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🧪\u003c\/span\u003e\n\u003ch3\u003eBroad Chemical Compatibility\u003c\/h3\u003e\n\u003cp\u003eHandles concentrated acids and alkalis, strong oxidizing agents, corrosive fluids, and gases without degradation\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e⚙️\u003c\/span\u003e\n\u003ch3\u003eVersatile Micron Options\u003c\/h3\u003e\n\u003cp\u003eAvailable in 0.5, 1, 5, 10, 20, 30, and 100 micron ratings to match your specific sediment removal needs\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🛡️\u003c\/span\u003e\n\u003ch3\u003eLow Media Migration\u003c\/h3\u003e\n\u003cp\u003eOne-piece polypropylene construction prevents fiber shedding and ensures clean, particle-free filtrate\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🌡️\u003c\/span\u003e\n\u003ch3\u003eTemperature Stable\u003c\/h3\u003e\n\u003cp\u003eRated for continuous operation up to 120°F with excellent micro-organism and chemical resistance\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e♻️\u003c\/span\u003e\n\u003ch3\u003eEnvironmentally Friendly\u003c\/h3\u003e\n\u003cp\u003eEasily incinerated to trace ash for responsible disposal in industrial settings\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eFits Standard 10\" x 4.5\" Big Blue Housings\u003c\/h3\u003e\n\u003cp\u003eThis FilterCor model (FCP100S10P, FCP5S10P) is designed for 10-inch Big Blue housing systems in whole house, well water, and commercial installations. Ideal for pre-membrane filtration, potable water, demineralized water, mineral acids, organic solvents, zinc chloride, caustic soda, ferric hydroxide, plating solutions, ethyl alcohol, animal\/petroleum\/vegetable oils, photographic solutions, and more. Recommended filter changes every 6 months depending on sediment load.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eUnited Filters International manufactures these cartridges with customizable media and core combinations to handle virtually any chemical environment or temperature requirement.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"United Filters International","offers":[{"title":"0.5 Micron","offer_id":35675819081890,"sku":"UP0.5J10P","price":28.4,"currency_code":"USD","in_stock":true},{"title":"1 Micron","offer_id":35675819114658,"sku":"UP1J10P","price":26.44,"currency_code":"USD","in_stock":true},{"title":"5 Micron","offer_id":35675819147426,"sku":"UP5J10","price":26.44,"currency_code":"USD","in_stock":true},{"title":"10 Micron","offer_id":35675819180194,"sku":"UP10J10P","price":26.44,"currency_code":"USD","in_stock":true},{"title":"20 Micron","offer_id":35675819212962,"sku":"UP20J10P","price":26.94,"currency_code":"USD","in_stock":true},{"title":"30 Micron","offer_id":35675819245730,"sku":"UP30J10P","price":26.44,"currency_code":"USD","in_stock":true},{"title":"100 Micron","offer_id":41134342996139,"sku":"UP100J10P","price":26.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/united-filters-international-10-x-45-big-blue-depth-string-wound-polypropylene-sediment-filter-412834.jpg?v=1759500161"},{"product_id":"united-filters-international-20-x-4-5-big-blue-depth-string-wound-polypropylene-sediment-filter","title":"United Filters International 20\" x 4.5\" Big Blue Depth String Wound \"UP Series\" Polypropylene Sediment Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  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!important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\nThe United Filters International UP Series 20\" x 4.5\" Big Blue depth string wound filter delivers true depth filtration with exceptional dirt holding capacity across micron ratings from 1 to 100 micron. Engineered from 100% polypropylene using a continuous high-speed wind process, this cartridge handles aggressive chemicals, extreme temperatures up to 200°F, and demanding whole-house, well, or commercial applications.\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eCore Specifications\u003c\/h2\u003e\n\u003cdiv class=\"spec-cards\"\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eDimensions\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e20\" x 4.5\"\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eBig Blue format\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eMicron Range\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e1–100 µm\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eMultiple ratings available\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eMedia Type\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003ePolypropylene\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eString wound depth\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eMax Temperature\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e200°F\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eHigh thermal tolerance\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eWeight\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e3 lb 8 oz\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003ePer cartridge\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eService Life\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e~6 months\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eVaries by water quality\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eTECHNICAL DETAILS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eConstruction \u0026amp; Performance\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eUnited Filters International (UFI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eDepth string wound sediment cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore \u0026amp; Media Material\u003c\/td\u003e\n\u003ctd\u003ePolypropylene (available in various core configurations)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemical Compatibility\u003c\/td\u003e\n\u003ctd\u003eAcids, alkalis, oxidizing agents, corrosive fluids and gases\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia Migration\u003c\/td\u003e\n\u003ctd\u003eExtremely low due to one-piece continuous wind construction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicrobial Resistance\u003c\/td\u003e\n\u003ctd\u003eExcellent micro-organism resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisposal\u003c\/td\u003e\n\u003ctd\u003eEasily incinerated to trace ash; FDA and non-FDA versions available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eWhere This Filter Excels\u003c\/h2\u003e\n\u003cp\u003e\nThe UFI UP Series is built for demanding whole-house, well, and commercial filtration environments requiring sediment removal with chemical resistance. Compatible with standard 20\" x 4.5\" Big Blue housings, this filter handles mineral acids, organic solvents, caustic soda, zinc chloride, ferric hydroxide, plating solutions, ethyl alcohol, animal and petroleum oils, oxidizing agents, alkalis, organic acids, potable water, demineralized water, photographic solutions, and pre-membrane applications. The true depth filtration design captures particulates throughout the entire filter depth rather than just the surface, extending service life and dirt holding capacity. Available in micron ratings of 1, 5, 10, 20, 30, 50, and 100 micron to match specific sediment loads and downstream equipment protection requirements.\n\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pro-tip\"\u003e\n💧 \u003cstrong\u003ePro tip:\u003c\/strong\u003e String wound filters load from outside to inside, gradually increasing restriction as they capture sediment. Monitor pressure drop across the filter and replace when differential exceeds 15 PSI or flow rate drops noticeably, typically every 6 months in residential applications or sooner in heavy sediment conditions.\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"United Filters International","offers":[{"title":"1 Micron","offer_id":35692996001954,"sku":"UP1J20P","price":49.99,"currency_code":"USD","in_stock":true},{"title":"5 Micron","offer_id":35692996034722,"sku":"UP5J20P","price":49.99,"currency_code":"USD","in_stock":true},{"title":"10 Micron","offer_id":35692996067490,"sku":"UP10J20P","price":49.99,"currency_code":"USD","in_stock":true},{"title":"20 Micron","offer_id":35692996100258,"sku":"UP20J20P","price":49.99,"currency_code":"USD","in_stock":true},{"title":"30 Micron","offer_id":35692996133026,"sku":"UP30J20P","price":49.99,"currency_code":"USD","in_stock":true},{"title":"50 Micron","offer_id":35692996165794,"sku":"UP50J20P","price":49.99,"currency_code":"USD","in_stock":true},{"title":"100 Micron","offer_id":35692996198562,"sku":"UP100J20P","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/united-filters-international-20-x-45-big-blue-depth-string-wound-up-series-polypropylene-sediment-filter-498612.jpg?v=1762459406"},{"product_id":"kx-technologies-32-250-20-matrikxr-20-x-2-5-matrikx-cto-5-micron-chlorine-chloramine-taste-and-odor-filter","title":"KX Technologies - 32-250-20-MATRIKX - 20\" x 2.5\" MatriKX CTO - 5 Micron - Chlorine\/Chloramine Taste and Odor Filter","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM 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!important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\u003cdiv class=\"ro-callout\"\u003eThe KX Technologies 32-250-20-MATRIKX is a 20\" x 2.5\" carbon block filter that combines sediment filtration with chlorine and chloramine reduction in a single cartridge. Built with 100% coconut shell activated carbon, this 5 micron filter delivers industry-leading performance for whole house and well water applications.\u003c\/div\u003e\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eCore Filter Specifications\u003c\/h2\u003e\n\u003cdiv class=\"spec-cards\"\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eDimensions\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e20\" x 2.5\"\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eStandard size cartridge\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eMicron Rating\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e5 Micron\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eNominal (10 absolute)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eFilter Type\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003eCarbon Block\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eCTO construction\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eMedia Source\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003eCoconut Shell\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003e100% activated carbon\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003ePrimary Reduction\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003eChlorine\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eTaste and odor removal\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eCertification\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003eNSF \u0026amp; WQA\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eMaterial safety certified\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eTECHNICAL DETAILS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003ePerformance \u0026amp; Manufacturing\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e32-250-20-MATRIKX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplaces Models\u003c\/td\u003e\n\u003ctd\u003e\n\u003ca href=\"tel:32-250-125-20\"\u003e32-250-125-20\u003c\/a\u003e, 32-250-20-GREEN (discontinued)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Construction\u003c\/td\u003e\n\u003ctd\u003eMatriKX CTO (Chlorine, Taste, Odor) Carbon Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContaminant Reduction\u003c\/td\u003e\n\u003ctd\u003eChlorine, sand, rust, sediment, chemical contaminants\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDirt Holding Capacity\u003c\/td\u003e\n\u003ctd\u003eHigh capacity with excellent adsorptive efficiency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturing Standards\u003c\/td\u003e\n\u003ctd\u003eISO 9001 and 14001 certified facilities\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eCalifornia Prop. 65 compliant, WQA S-803 sustainability certified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eWhere This Filter Works\u003c\/h2\u003e\n\u003cp\u003eThe KX 32-250-20-MATRIKX fits any standard 20\" filter housing and is designed for whole house and well water treatment systems. Compatible with KX housing models LC-100P, LC-200P, LC-300P, and LC-380PP, this filter serves as both a sediment pre-filter and activated carbon stage in a single cartridge. Ideal for municipal and well water applications where chlorine or chloramine reduction is needed alongside particulate filtration. The high dirt holding capacity makes it particularly effective in well water systems with elevated sediment loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pro-tip\"\u003e💧 \u003cstrong\u003eDirect Replacement Guidance:\u003c\/strong\u003e If you've been using the discontinued 32-250-125-20 or 32-250-20-GREEN, this 32-250-20-MATRIKX is the factory-recommended successor with enhanced chloramine reduction capabilities.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KX Technologies","offers":[{"title":"Single","offer_id":44024576344235,"sku":"32-250-20-MATRIKX(R)","price":26.96,"currency_code":"USD","in_stock":true},{"title":"Six Pack","offer_id":44024576377003,"sku":"(6) x 32-250-20-MATRIKX(R)","price":191.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/kx-technologies-32-250-20-matrikx-20-x-25-matrikx-cto-5-micron-chlorinechloramine-taste-and-odor-filter-519699.jpg?v=1762459408"},{"product_id":"kx-technologies-06-450-10-matrikx-10-x-4-5-matrikx-pb1-0-5-micron-chlorine-chloramine-voc-cyst-lead-filter","title":"KX Technologies - 06-450-10-MATRIKX - 10\" x 4.5\" MatriKX Pb1 - 0.5 Micron - Chlorine\/Chloramine, VOC, CYST, Lead Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM 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!important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\nThe KX Technologies MatriKX Pb1 (06-450-10-MATRIKX) is a 10\" x 4.5\" carbon block filter engineered for comprehensive lead, cyst, chlorine, and VOC reduction in whole-house and well water systems. This 0.5 micron filter combines ion-exchange media for soluble lead removal with advanced carbon block filtration, offering 20,000 gallon chlorine capacity and certified protection against Cryptosporidium, Giardia, and other waterborne cysts.\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eMatriKX Pb1 Core Performance\u003c\/h2\u003e\n\u003cdiv class=\"spec-cards\"\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eDimensions\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e10\" × 4.5\"\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003e9.75\" length, fits Big Blue housings\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eMicron Rating\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e0.5 µm\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eNominal filtration for cyst removal\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eChlorine Capacity\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e20,000 gal\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eAt 2.5 GPM flow rate\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eLead Capacity\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e8,000 gal\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eIon-exchange + filtration\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eFlow Rate\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e20.5 GPM\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eMaximum rated flow\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eService Life\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e6-12 months\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eDepending on water quality\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eTECHNICAL DETAILS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eFull Specifications\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eKX Technologies 06-450-10-MATRIKX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Media\u003c\/td\u003e\n\u003ctd\u003eCoconut shell carbon block with ion-exchange resin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Cap Configuration\u003c\/td\u003e\n\u003ctd\u003eDouble Open Ended (DOE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Temperature\u003c\/td\u003e\n\u003ctd\u003e125°F (51.7°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Drop\u003c\/td\u003e\n\u003ctd\u003e7.0 psid at 2.5 GPM (exceptionally low)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContaminants Reduced\u003c\/td\u003e\n\u003ctd\u003eLead (soluble \u0026amp; particulate), chlorine, chloramine, VOCs, cysts (Cryptosporidium, Giardia, Entamoeba, Toxoplasma), taste, odor, sediment, turbidity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eNSF\/WQA certified for material safety, California Prop 65 compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eWhere This Filter Works\u003c\/h2\u003e\n\u003cp\u003eThe MatriKX Pb1 is designed for 10-inch Big Blue filter housings in whole-house, well water, and commercial applications requiring comprehensive lead and cyst reduction. This filter replaces the discontinued KX 06-250-125-20 and is compatible with any standard 10\" x 4.5\" housing. Ideal for homes with known lead concerns, well water systems needing cyst protection, or any installation demanding high-capacity chlorine and VOC reduction with low pressure drop. The coconut shell carbon block construction offers superior adsorptive capacity compared to granular carbon, while the proprietary GreenBlock technology ensures consistent performance throughout the filter's service life.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pro-tip\"\u003e\n💧 The Pb1's dual-action lead removal (ion-exchange for dissolved lead, mechanical filtration for particulate lead) makes it one of the most effective single-cartridge solutions for lead contamination. Replace every 6-12 months or sooner if you notice flow reduction or taste changes.\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"KX Technologies","offers":[{"title":"Default Title","offer_id":35470073495714,"sku":"06-450-10-MATRIKX(R)","price":68.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/product-5536591675554-padded.jpg?v=1777266860"},{"product_id":"kx-technologies-01-450-10-matrikx-10-x-4-5-matrikx-cto-plus-1-micron-chlorine-chloramine-voc-reduction-filter","title":"KX Technologies - 01-450-10-MATRIKX - 10\" x 4.5\" MatriKX CTO Plus- 1 Micron - Chlorine\/Chloramine \u0026 VOC Reduction Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    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.specs-table{width:100%;border-collapse:collapse;font-size:18px !important;}\n  .ro-wrap .specs-table tr{border-bottom:1px solid var(--slate);}\n  .ro-wrap .specs-table tr:last-child{border-bottom:none;}\n  .ro-wrap .specs-table td{padding:11px 6px;vertical-align:top;}\n  .ro-wrap .specs-table td:first-child{font-weight:500;color:var(--deep);width:44%;padding-right:16px;}\n  .ro-wrap .specs-table td:last-child{color:var(--muted);}\n  .ro-wrap .specs-table tr:hover td{background:var(--offwhite);}\n  .ro-wrap .conditions-table{width:100%;border-collapse:collapse;font-size:18px !important;margin-top:4px;}\n  .ro-wrap .conditions-table th{background:var(--deep);color:var(--white);font-size:15px !important;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:10px 12px;text-align:left;}\n  .ro-wrap .conditions-table th:first-child{border-radius:var(--radius) 0 0 0;}\n  .ro-wrap .conditions-table th:last-child{border-radius:0 var(--radius) 0 0;}\n  .ro-wrap .conditions-table td{padding:10px 12px;border-bottom:1px solid var(--slate);color:var(--text);}\n  .ro-wrap .conditions-table tr:nth-child(even) td{background:var(--offwhite);}\n  .ro-wrap .ro-feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(220px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .ro-feature-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:20px 18px;}\n  .ro-wrap .ro-feat-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--ocean),var(--sky));border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;}\n  .ro-wrap .ro-feature-card h3{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .ro-feature-card p{font-size:18px !important;color:var(--muted);line-height:1.55;margin:0;}\n  .ro-wrap .pro-tip{display:block;background:#fffbeb;border:1px solid #f5d87a;border-radius:var(--radius);padding:18px 20px;margin-top:20px;box-sizing:border-box;width:100% !important;}\n  .ro-wrap .pro-tip-icon{font-size:22px !important;display:inline;margin-right:8px;line-height:1.6 !important;}\n  .ro-wrap .pro-tip p{font-size:18px !important;color:#5a4500;line-height:1.6 !important;margin:0;display:block;width:100%;}\n  .ro-wrap .pro-tip strong{color:#3d2e00;}\n  .ro-wrap .install-steps{counter-reset:step;list-style:none;padding:0;margin:4px 0 0;display:flex;flex-direction:column;gap:14px;}\n  .ro-wrap .install-steps li{counter-increment:step;display:flex;align-items:flex-start;gap:14px;font-size:18px !important;color:var(--text);}\n  .ro-wrap .install-steps li::before{content:counter(step);display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--ocean);color:white;font-size:15px !important;font-weight:700;flex-shrink:0;margin-top:1px;}\n  .ro-wrap .filter-schedule{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .schedule-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .schedule-card .interval{font-size:22px !important;font-family:'DM Serif Display',serif;color:var(--sky);font-weight:400;margin-bottom:4px;}\n  .ro-wrap .schedule-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .schedule-card p{font-size:15px !important;color:var(--muted);margin:0;line-height:1.45;}\n  .ro-wrap .benefits-strip{display:flex;flex-wrap:wrap;background:var(--deep);color:var(--white);border-radius:0 0 var(--radius) var(--radius);overflow:hidden;}\n  .ro-wrap .benefit-item{flex:1 1 200px;padding:24px 22px;border-right:1px solid rgba(255,255,255,.1);}\n  .ro-wrap .benefit-item:last-child{border-right:none;}\n  .ro-wrap .bi-icon{font-size:22px !important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003eKX Technologies\u003c\/div\u003e\n\u003ch2\u003e\n\u003cem\u003eMatriKX CTO Plus\u003c\/em\u003e 10\" x 4.5\" Carbon Block Filter\u003c\/h2\u003e\n\u003cdiv class=\"ro-tagline\"\u003e1 micron nominal filtration with comprehensive chlorine, chloramine, and VOC reduction powered by GreenBlock technology\u003c\/div\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ NSF Certified Materials\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ 1 Micron Nominal\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ High VOC Capacity\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Low Pressure Drop\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eThe KX MatriKX CTO Plus (model 01-450-10-MATRIKX) combines \u003cstrong\u003e1 micron nominal sediment filtration\u003c\/strong\u003e with aggressive chemical reduction in a single 10\" x 4.5\" carbon block cartridge. Enhanced with GreenBlock technology and an integrated prefiltration layer, this filter delivers extended service life and nearly absolute chlorine removal in residential, commercial, and industrial water treatment systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eKEY FEATURES\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eComprehensive Contaminant Control\u003c\/h3\u003e\n\u003cdiv class=\"ro-feature-grid\"\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🔬\u003c\/span\u003e\n\u003ch3\u003e1 Micron Filtration\u003c\/h3\u003e\n\u003cp\u003eNominal 1 micron rating provides effective fine sediment and silt control while maintaining low pressure drop across the filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e💧\u003c\/span\u003e\n\u003ch3\u003eChlorine \u0026amp; Chloramine\u003c\/h3\u003e\n\u003cp\u003eHigh capacity reduction of chlorine taste, odor, and chloramines. Nearly absolute removal for pre-RO and sensitive applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e⚗️\u003c\/span\u003e\n\u003ch3\u003eVOC Reduction\u003c\/h3\u003e\n\u003cp\u003eExceptional volatile organic compound removal including chloroform and other chemical contaminants that affect taste and odor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🌿\u003c\/span\u003e\n\u003ch3\u003eGreenBlock Technology\u003c\/h3\u003e\n\u003cp\u003eAdvanced carbon block formulation with integrated prefiltration extends service life and increases dirt holding capacity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e✓\u003c\/span\u003e\n\u003ch3\u003eNSF Certified\u003c\/h3\u003e\n\u003cp\u003eNSF and WQA certified for material safety. California Prop 65 compliant for residential and commercial use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🔧\u003c\/span\u003e\n\u003ch3\u003eUniversal Fit\u003c\/h3\u003e\n\u003cp\u003eDirect replacement for discontinued 01-450-125-975, 02-450-125-975, 01-450-10-GREEN, and FXB10CYST models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eFits Standard 10\" Big Blue Housings\u003c\/h3\u003e\n\u003cp\u003eThe KX MatriKX 01-450-10-MATRIKX fits any standard 10\" Big Blue filter housing with 4.5\" diameter capacity, including systems from Culligan, American Plumber, Aqua Pure, Pentek, Ametek, and US Filter. Ideal for whole house filtration, well water treatment, point-of-use systems, pre-RO and post-RO applications, food service, industrial makeup water, process water, and commercial effluent treatment where chlorine, taste, odor, and chemical contaminant reduction are required.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eKX MatriKX filters are manufactured in the USA with certified materials and backed by decades of carbon block filtration expertise.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"KX Technologies","offers":[{"title":"Default Title","offer_id":35470076510370,"sku":"01-450-10-MATRIKX(R)","price":45.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/kx-technologies-01-450-10-matrikx-10-x-45-matrikx-cto-plus-1-micron-chlorinechloramine-voc-reduction-filter-207544.jpg?v=1762459409"},{"product_id":"pentek-ecp5-bb-10-x-4-5-pleated-cellulose-5-micron-sediment-filter","title":"Pentek - ECP5-BB - 10\" x 4.5\" Pleated Cellulose 5 Micron Sediment Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM Sans',sans-serif;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-wrap:break-word;word-break:break-word;min-width:0;\n  }\n  .ro-wrap .ro-hero{background:linear-gradient(135deg,var(--deep) 0%,var(--ocean) 50%,#1a5276 100%);color:var(--white);padding:52px 40px 44px;position:relative;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;}\n  .ro-wrap .ro-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 55% at 95% 45%,rgba(77,208,225,.15) 0%,transparent 65%),radial-gradient(ellipse 40% 40% at 5% 80%,rgba(255,255,255,.05) 0%,transparent 60%);pointer-events:none;}\n  .ro-wrap .ro-eyebrow{font-size:13px !important;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--aqua);margin-bottom:12px;}\n  .ro-wrap .ro-hero h2{font-family:'DM Serif Display',serif;font-size:clamp(26px,4vw,40px) !important;line-height:1.15;font-weight:400;margin-bottom:16px;color:var(--white);}\n  .ro-wrap .ro-hero h2 em{font-style:italic;color:var(--aqua);}\n  .ro-wrap .ro-tagline{font-size:18px !important;color:rgba(255,255,255,.75);font-weight:300;margin-bottom:28px;}\n  .ro-wrap .ro-badges{display:flex;flex-wrap:wrap;gap:10px;}\n  .ro-wrap .ro-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:var(--white);font-size:15px !important;font-weight:500;padding:6px 14px;border-radius:40px;backdrop-filter:blur(6px);}\n  .ro-wrap .ro-callout{background:var(--offwhite);border-left:4px solid var(--sky);padding:20px 24px;}\n  .ro-wrap .ro-callout p{font-size:18px !important;color:var(--text);line-height:1.7;margin:0;}\n  .ro-wrap .ro-callout strong{color:var(--ocean);}\n  .ro-wrap .ro-section{padding:36px 40px;border-bottom:1px solid var(--slate);}\n  .ro-wrap .ro-label{font-size:13px !important;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--sky);margin-bottom:8px;}\n  .ro-wrap .ro-title{font-family:'DM Serif Display',serif;font-size:24px !important;color:var(--deep);margin-bottom:20px;font-weight:400;}\n  .ro-wrap .stage-pipeline{display:flex;flex-direction:column;gap:0;margin-top:4px;}\n  .ro-wrap .stage-row{display:flex;flex-direction:row;gap:12px;position:relative;min-width:0;align-items:flex-start;width:100%;box-sizing:border-box;}\n  .ro-wrap .stage-row:not(:last-child) .stage-line{position:absolute;left:17px;top:40px;bottom:0;width:2px;background:var(--slate);}\n  .ro-wrap .stage-num{width:36px;height:36px;min-width:36px;max-width:36px;border-radius:50%;background:linear-gradient(135deg,var(--ocean),var(--sky));color:white;display:flex;align-items:center;justify-content:center;font-size:16px !important;font-weight:700;flex:0 0 36px;position:relative;z-index:1;margin-top:16px;}\n  .ro-wrap .stage-body{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px 18px;margin-bottom:12px;flex:1 1 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.ro-wrap .ro-feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(220px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .ro-feature-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:20px 18px;}\n  .ro-wrap .ro-feat-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--ocean),var(--sky));border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;}\n  .ro-wrap .ro-feature-card h3{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .ro-feature-card p{font-size:18px !important;color:var(--muted);line-height:1.55;margin:0;}\n  .ro-wrap .pro-tip{display:block;background:#fffbeb;border:1px solid #f5d87a;border-radius:var(--radius);padding:18px 20px;margin-top:20px;box-sizing:border-box;width:100% !important;}\n  .ro-wrap .pro-tip-icon{font-size:22px !important;display:inline;margin-right:8px;line-height:1.6 !important;}\n  .ro-wrap .pro-tip p{font-size:18px !important;color:#5a4500;line-height:1.6 !important;margin:0;display:block;width:100%;}\n  .ro-wrap .pro-tip strong{color:#3d2e00;}\n  .ro-wrap .install-steps{counter-reset:step;list-style:none;padding:0;margin:4px 0 0;display:flex;flex-direction:column;gap:14px;}\n  .ro-wrap .install-steps li{counter-increment:step;display:flex;align-items:flex-start;gap:14px;font-size:18px !important;color:var(--text);}\n  .ro-wrap .install-steps li::before{content:counter(step);display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--ocean);color:white;font-size:15px !important;font-weight:700;flex-shrink:0;margin-top:1px;}\n  .ro-wrap .filter-schedule{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .schedule-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .schedule-card .interval{font-size:22px !important;font-family:'DM Serif Display',serif;color:var(--sky);font-weight:400;margin-bottom:4px;}\n  .ro-wrap .schedule-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .schedule-card p{font-size:15px !important;color:var(--muted);margin:0;line-height:1.45;}\n  .ro-wrap .benefits-strip{display:flex;flex-wrap:wrap;background:var(--deep);color:var(--white);border-radius:0 0 var(--radius) var(--radius);overflow:hidden;}\n  .ro-wrap .benefit-item{flex:1 1 200px;padding:24px 22px;border-right:1px solid rgba(255,255,255,.1);}\n  .ro-wrap .benefit-item:last-child{border-right:none;}\n  .ro-wrap .bi-icon{font-size:22px !important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\nThe Pentek ECP5-BB is a 10\" x 4.5\" pleated cellulose sediment filter engineered for big blue housings, offering 5 micron nominal filtration with 18 square feet of media surface area. Its resin-impregnated cellulose and polyester construction delivers high flow rates, superior dirt-holding capacity, and exceptional wet strength for whole house, well, and commercial applications.\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003ePentek ECP5-BB Filter Specifications\u003c\/h2\u003e\n\u003cdiv class=\"spec-cards\"\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eDimensions\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e10\" x 4.5\"\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eBig Blue housing size\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eMicron Rating\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e5 Micron\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eNominal filtration\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eMedia Surface\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e18 sq ft\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eMore than most competitive cartridges\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eFlow Rate\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e20 GPM\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003e1 psi pressure drop\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eTemperature\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e40°F to 125°F\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003e4.4°C to 51.7°C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eConstruction\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003ePleated\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eResin-impregnated cellulose\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eTECHNICAL DETAILS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eMaterials \u0026amp; Construction\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia Material\u003c\/td\u003e\n\u003ctd\u003eResin-impregnated cellulose and polyester fibers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Material\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Cap Material\u003c\/td\u003e\n\u003ctd\u003eVinyl plastisol (thermo-setting)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Cap Design\u003c\/td\u003e\n\u003ctd\u003eUnified end cap and gasket formed by immersion molding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Drop\u003c\/td\u003e\n\u003ctd\u003e1 psi at 20 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eECP5-BB (Pentek 255490-43)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e40°F to 125°F (4.4°C to 51.7°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eWhere This Filter Works\u003c\/h2\u003e\n\u003cp\u003eThe Pentek ECP5-BB fits standard 10-inch Big Blue filter housings with 4.5-inch diameters. It's designed for whole house sediment filtration, well water applications, and commercial installations where high dirt-holding capacity and low pressure drop are critical. The pleated design and 18 square feet of media surface area provide significantly longer service life than non-pleated cartridges. Use this filter as a primary sediment barrier to protect downstream equipment including carbon filters, water softeners, RO membranes, and appliances. The resin-impregnated construction maintains structural integrity even when saturated, preventing media migration and cartridge collapse under flow.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pro-tip\"\u003e\n💧 The vinyl plastisol end caps on the ECP5-BB are molded around the pleats to create a leak-proof seal without adhesives, which means no bypass and no cartridge unloading during pressure surges.\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Single","offer_id":44618245505195,"sku":"255490-43","price":31.62,"currency_code":"USD","in_stock":true},{"title":"Three Pack","offer_id":44618245537963,"sku":"3x255490-43","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-ecp5-bb-10-x-45-pleated-cellulose-5-micron-sediment-filter-932744.jpg?v=1762459411"},{"product_id":"pentek-ep-bb-10-x-4-5-carbon-briquette-5-micron-filter","title":"Pentek - EP-BB - 10\" x 4.5\" Carbon-Briquette 5 Micron Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM Sans',sans-serif;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-wrap:break-word;word-break:break-word;min-width:0;\n  }\n  .ro-wrap .ro-hero{background:linear-gradient(135deg,var(--deep) 0%,var(--ocean) 50%,#1a5276 100%);color:var(--white);padding:52px 40px 44px;position:relative;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;}\n  .ro-wrap .ro-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 55% at 95% 45%,rgba(77,208,225,.15) 0%,transparent 65%),radial-gradient(ellipse 40% 40% at 5% 80%,rgba(255,255,255,.05) 0%,transparent 60%);pointer-events:none;}\n  .ro-wrap .ro-eyebrow{font-size:13px !important;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--aqua);margin-bottom:12px;}\n  .ro-wrap .ro-hero h2{font-family:'DM Serif Display',serif;font-size:clamp(26px,4vw,40px) !important;line-height:1.15;font-weight:400;margin-bottom:16px;color:var(--white);}\n  .ro-wrap .ro-hero h2 em{font-style:italic;color:var(--aqua);}\n  .ro-wrap .ro-tagline{font-size:18px !important;color:rgba(255,255,255,.75);font-weight:300;margin-bottom:28px;}\n  .ro-wrap .ro-badges{display:flex;flex-wrap:wrap;gap:10px;}\n  .ro-wrap .ro-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:var(--white);font-size:15px !important;font-weight:500;padding:6px 14px;border-radius:40px;backdrop-filter:blur(6px);}\n  .ro-wrap .ro-callout{background:var(--offwhite);border-left:4px solid var(--sky);padding:20px 24px;}\n  .ro-wrap .ro-callout p{font-size:18px !important;color:var(--text);line-height:1.7;margin:0;}\n  .ro-wrap .ro-callout strong{color:var(--ocean);}\n  .ro-wrap .ro-section{padding:36px 40px;border-bottom:1px solid var(--slate);}\n  .ro-wrap .ro-label{font-size:13px !important;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--sky);margin-bottom:8px;}\n  .ro-wrap .ro-title{font-family:'DM Serif Display',serif;font-size:24px !important;color:var(--deep);margin-bottom:20px;font-weight:400;}\n  .ro-wrap .stage-pipeline{display:flex;flex-direction:column;gap:0;margin-top:4px;}\n  .ro-wrap .stage-row{display:flex;flex-direction:row;gap:12px;position:relative;min-width:0;align-items:flex-start;width:100%;box-sizing:border-box;}\n  .ro-wrap .stage-row:not(:last-child) .stage-line{position:absolute;left:17px;top:40px;bottom:0;width:2px;background:var(--slate);}\n  .ro-wrap 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var(--radius);overflow:hidden;}\n  .ro-wrap .benefit-item{flex:1 1 200px;padding:24px 22px;border-right:1px solid rgba(255,255,255,.1);}\n  .ro-wrap .benefit-item:last-child{border-right:none;}\n  .ro-wrap .bi-icon{font-size:22px !important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px 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.benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003ePentek Premium Filtration\u003c\/div\u003e\n\u003ch2\u003e\n\u003cem\u003eEP-BB Carbon-Briquette Filter\u003c\/em\u003e 10\" x 4.5\" | 5 Micron\u003c\/h2\u003e\n\u003cdiv class=\"ro-tagline\"\u003eHigh-capacity carbon block with sediment prefilter for whole-house and well water applications\u003c\/div\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ 22,000 gallon capacity\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Endurawrap prefilter protection\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ FDA compliant materials\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ 5 micron filtration\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eThe Pentek EP-BB combines the chemical reduction power of carbon block with the dirt-holding capacity of wound carbon-impregnated media. Its \u003cstrong\u003ehigh-porosity design\u003c\/strong\u003e and protective \u003cstrong\u003eEndurawrap outer layer\u003c\/strong\u003e prevent premature clogging, allowing the \u003cstrong\u003e22,000 gallon carbon core\u003c\/strong\u003e to reach full adsorption capacity before replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eFilter Construction \u0026amp; Performance\u003c\/h3\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eDimensions\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e10\" x 4.5\" (9-3\/4\" x 4-5\/8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eFiltration Rating\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e5 micron nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eFilter Media\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eBonded Powdered Activated Carbon (PAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003ePrefilter Wrap\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eEndurawrap polyolefin bilaminate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eCapacity\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e22,000 gallons (based on manufacturer testing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eFlow Rate\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e4.3 psi pressure drop @ 2 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eTemperature Range\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e40°F to 180°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eEnd Caps\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003ePolystyrene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eNetting\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003ePolyethylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eKEY FEATURES\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eWhy the EP-BB Outperforms Standard Carbon Blocks\u003c\/h3\u003e\n\u003cdiv class=\"ro-feature-grid\"\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e🛡️\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eEndurawrap Protection\u003c\/h3\u003e\n\u003cp\u003eProprietary polyolefin bilaminate prefilter traps sediment before it reaches the carbon core, preventing premature plugging and maximizing carbon utilization\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e💧\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eHigh Porosity Design\u003c\/h3\u003e\n\u003cp\u003eEngineered flow channels maintain low pressure drop while delivering 5 micron filtration and full chemical adsorption capacity throughout filter life\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e🔬\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eBonded PAC Media\u003c\/h3\u003e\n\u003cp\u003ePowdered activated carbon bonded into a rigid block structure for superior chlorine, taste, and odor reduction compared to granular carbon filters\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e✓\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eFDA Compliant\u003c\/h3\u003e\n\u003cp\u003eAll materials meet FDA standards for food contact, making the EP-BB suitable for residential drinking water, food service, and commercial applications\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e🏠\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eWhole-House Ready\u003c\/h3\u003e\n\u003cp\u003e4.5-inch diameter and high flow capacity make this filter ideal for point-of-entry installations and Big Blue housings in demanding applications\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e⚙️\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eExtended Service Life\u003c\/h3\u003e\n\u003cp\u003eRated for 22,000 gallons based on manufacturer testing, reducing replacement frequency and long-term operating costs\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eHousing \u0026amp; System Requirements\u003c\/h3\u003e\n\u003cp\u003eThe Pentek EP-BB (model 155548-43) fits standard 10-inch Big Blue filter housings with 4.5-inch diameter capacity. Designed for whole-house filtration systems, well water treatment, and point-of-entry applications where chlorine, taste, odor, and sediment reduction are required. Compatible with Pentek Big Blue housings and equivalent systems from major manufacturers. Ideal for municipal water supplies with chlorine or well water with taste and odor issues combined with moderate sediment levels.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003ePentek has been manufacturing premium water filtration cartridges for over 40 years, and all EP Series filters are made in the USA from FDA-compliant materials.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Single","offer_id":37722139492523,"sku":"155548-43","price":65.0,"currency_code":"USD","in_stock":true},{"title":"Two Pack","offer_id":42666785964203,"sku":"(2) 155548-43","price":123.0,"currency_code":"USD","in_stock":true},{"title":"Three Pack","offer_id":42825123463339,"sku":"(3) 155548-43","price":175.0,"currency_code":"USD","in_stock":true},{"title":"Four Pack","offer_id":37722139558059,"sku":"(4) 155548-43","price":239.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-ep-bb-10-x-45-carbon-briquette-5-micron-filter-184920.jpg?v=1759500161"},{"product_id":"pentek-gac-bb-10-x-4-5-big-blue-granular-activated-carbon-filter","title":"Pentek - GAC-BB - 10\" x 4.5\" Big Blue Granular Activated Carbon Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM Sans',sans-serif;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-wrap:break-word;word-break:break-word;min-width:0;\n  }\n  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.ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\nThe Pentek GAC-BB is a 10\" x 4.5\" Big Blue granular activated carbon filter engineered to reduce chlorine taste and odor, unwanted flavors, and organic contaminants from whole-house water systems. Rated for 12,500 gallons with a built-in 20-micron post-filter to trap carbon fines, this cartridge delivers full-length carbon contact for maximum adsorption and clean, great-tasting water throughout your home.\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eKey Performance Data\u003c\/h2\u003e\n\u003cdiv class=\"spec-cards\"\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eDimensions\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e10\" x 4.5\"\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eBig Blue format\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eMicron Rating\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e20 Nominal\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003ePost-filter stage\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eFilter Life\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e12,500 Gallons\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eTypical capacity\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eFlow Rate\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e2 GPM\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003e6 psi pressure drop\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eMedia Type\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003eLoose GAC\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eFull-bed contact\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eModel Number\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003eGAC-BB\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003ePentek OEM\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eTECHNICAL DETAILS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eConstruction \u0026amp; Materials\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Media\u003c\/td\u003e\n\u003ctd\u003eGranular Activated Carbon (GAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Caps\u003c\/td\u003e\n\u003ctd\u003ePolystyrene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePost-Filter\u003c\/td\u003e\n\u003ctd\u003eSpun Polypropylene (20 micron nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Casing\u003c\/td\u003e\n\u003ctd\u003ePolystyrene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpansion Pad\u003c\/td\u003e\n\u003ctd\u003ePolypropylene (prevents channeling and bypass)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport Basket\u003c\/td\u003e\n\u003ctd\u003ePermanently fastened to post-filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Drop\u003c\/td\u003e\n\u003ctd\u003e6 psi @ 2 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eWhere This Filter Works\u003c\/h2\u003e\n\u003cp\u003eThe Pentek GAC-BB is designed for 10\" x 4.5\" Big Blue housings and serves as a general-purpose carbon filter in whole-house water filtration systems. It excels in applications where chlorine taste and odor reduction is the primary goal, and where loose granular activated carbon offers better contact time than carbon block alternatives. The full-length flow design ensures water passes through the entire carbon bed before exiting, while the internal expansion pad prevents channeling or bypass that can compromise performance. Ideal for municipal water supplies where chlorine and organic taste compounds are present, and compatible with standard Big Blue filter housings from Pentek and other manufacturers using the 10\" x 4.5\" format.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pro-tip\"\u003e\n💧 \u003cstrong\u003ePro Tip:\u003c\/strong\u003e The built-in 20-micron post-filter traps carbon fines that would otherwise end up in your water lines. If you see black specks after installing a new GAC cartridge, flush the system for 2-3 minutes—the post-filter will catch most fines, but initial purging ensures clean water from the start.\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Single","offer_id":42647821320363,"sku":"155153-43","price":57.0,"currency_code":"USD","in_stock":true},{"title":"Two Pack","offer_id":42647821353131,"sku":"2x 155153-43","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Three Pack","offer_id":42647821385899,"sku":"3x 155153-43","price":131.99,"currency_code":"USD","in_stock":true},{"title":"Four Pack","offer_id":42647821418667,"sku":"4x 155153-43","price":169.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/product-5536593346722-padded.jpg?v=1777268071"},{"product_id":"pentek-ncp-bb-10-x-4-5-big-blue-pleated-carbon-impregnated-polyproplyene-filter","title":"Pentek - NCP-BB - 10\" x 4.5\" Big Blue Pleated Carbon-Impregnated Polyproplyene Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM Sans',sans-serif;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-wrap:break-word;word-break:break-word;min-width:0;\n  }\n  .ro-wrap .ro-hero{background:linear-gradient(135deg,var(--deep) 0%,var(--ocean) 50%,#1a5276 100%);color:var(--white);padding:52px 40px 44px;position:relative;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;}\n  .ro-wrap .ro-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 55% 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li::before{content:counter(step);display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--ocean);color:white;font-size:15px !important;font-weight:700;flex-shrink:0;margin-top:1px;}\n  .ro-wrap .filter-schedule{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .schedule-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .schedule-card .interval{font-size:22px !important;font-family:'DM Serif Display',serif;color:var(--sky);font-weight:400;margin-bottom:4px;}\n  .ro-wrap .schedule-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .schedule-card p{font-size:15px !important;color:var(--muted);margin:0;line-height:1.45;}\n  .ro-wrap .benefits-strip{display:flex;flex-wrap:wrap;background:var(--deep);color:var(--white);border-radius:0 0 var(--radius) var(--radius);overflow:hidden;}\n  .ro-wrap .benefit-item{flex:1 1 200px;padding:24px 22px;border-right:1px solid rgba(255,255,255,.1);}\n  .ro-wrap .benefit-item:last-child{border-right:none;}\n  .ro-wrap .bi-icon{font-size:22px !important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n  \u003cdiv class=\"ro-callout\"\u003e\n    The Pentek NCP-BB combines sediment filtration with carbon adsorption in a single 10\" x 4.5\" pleated cartridge designed for Big Blue housings. This carbon-impregnated polyester filter handles chlorine taste and odor reduction while maintaining high dirt-loading capacity and low pressure drop across 500 gallons of service life.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n    \u003ch2 class=\"ro-title\"\u003ePentek NCP-BB Technical Data\u003c\/h2\u003e\n    \u003ctable class=\"specs-table\"\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eDimensions\u003c\/td\u003e\n        \u003ctd\u003e10\" x 4.5\" (9-3\/4\" x 4-5\/8\" actual)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eFilter Media\u003c\/td\u003e\n        \u003ctd\u003eCarbon-impregnated pleated polyester\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHousing Compatibility\u003c\/td\u003e\n        \u003ctd\u003e10\" Big Blue (4.5\" diameter housings)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eFlow Rate\u003c\/td\u003e\n        \u003ctd\u003e8 GPM with 2 psi pressure drop\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eFilter Life\u003c\/td\u003e\n        \u003ctd\u003e500 gallons (varies by water quality)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTemperature Rating\u003c\/td\u003e\n        \u003ctd\u003e40°F to 125°F\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eEnd Caps\u003c\/td\u003e\n        \u003ctd\u003eVinyl plastisol with polypropylene core\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eApplications\u003c\/td\u003e\n        \u003ctd\u003eWhole house, post-RO, well water, municipal\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eINSTALLATION \u0026amp; USE\u003c\/div\u003e\n    \u003ch2 class=\"ro-title\"\u003eCartridge Replacement Procedure\u003c\/h2\u003e\n    \u003col class=\"install-steps\"\u003e\n      \u003cli\u003eShut off water supply and relieve pressure by opening a downstream faucet or using the housing pressure relief button if available\u003c\/li\u003e\n      \u003cli\u003eUnscrew the Big Blue sump using a filter wrench, remove the old NCP-BB cartridge, and clean the housing interior and o-ring groove\u003c\/li\u003e\n      \u003cli\u003eInspect and lubricate the o-ring with food-grade silicone grease, insert the new Pentek NCP-BB cartridge, and hand-tighten the sump until snug\u003c\/li\u003e\n      \u003cli\u003eTurn water supply back on slowly, check for leaks, and run water for 3-5 minutes to flush carbon fines and activate the filter media\u003c\/li\u003e\n    \u003c\/ol\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n    \u003ch2 class=\"ro-title\"\u003eHousing \u0026amp; Application Fit\u003c\/h2\u003e\n    \u003cp\u003eThe Pentek NCP-BB fits all standard 10-inch Big Blue filter housings with 4.5-inch inner diameter, including Pentek, Culligan, GE, and Omnifilter brands. The non-cellulose construction resists bacterial growth, making it suitable for both chlorinated municipal water and non-chlorinated well water systems. This cartridge excels as a whole-house polishing filter, post-reverse osmosis carbon stage, or standalone treatment for chlorine taste and odor in closed-loop applications where sediment and organics need simultaneous removal.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"pro-tip\"\u003e\n    🔧 \u003cstrong\u003ePro Tip:\u003c\/strong\u003e Replace the housing o-ring every 2-3 cartridge changes to prevent leaks, and always flush the new NCP-BB for several minutes before use to clear loose carbon particles that can cause temporary water discoloration.\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Single","offer_id":37783454843051,"sku":"155398-43","price":49.21,"currency_code":"USD","in_stock":true},{"title":"Two Pack","offer_id":37783454875819,"sku":"(2) 155398-43","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Three Pack","offer_id":37783463854251,"sku":"(3) 155398-43","price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/product-5536593412258-padded.jpg?v=1777268092"},{"product_id":"pentek-r-series-10-x-4-5-big-blue-reusable-pleated-polyester-sediment-filter","title":"Pentek - R Series 10\" x 4.5\" Big Blue REUSABLE Pleated Polyester Sediment Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM Sans',sans-serif;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-wrap:break-word;word-break:break-word;min-width:0;\n  }\n  .ro-wrap .ro-hero{background:linear-gradient(135deg,var(--deep) 0%,var(--ocean) 50%,#1a5276 100%);color:var(--white);padding:52px 40px 44px;position:relative;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;}\n  .ro-wrap .ro-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 55% at 95% 45%,rgba(77,208,225,.15) 0%,transparent 65%),radial-gradient(ellipse 40% 40% at 5% 80%,rgba(255,255,255,.05) 0%,transparent 60%);pointer-events:none;}\n  .ro-wrap .ro-eyebrow{font-size:13px !important;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--aqua);margin-bottom:12px;}\n  .ro-wrap .ro-hero h2{font-family:'DM Serif Display',serif;font-size:clamp(26px,4vw,40px) !important;line-height:1.15;font-weight:400;margin-bottom:16px;color:var(--white);}\n  .ro-wrap .ro-hero h2 em{font-style:italic;color:var(--aqua);}\n  .ro-wrap .ro-tagline{font-size:18px !important;color:rgba(255,255,255,.75);font-weight:300;margin-bottom:28px;}\n  .ro-wrap .ro-badges{display:flex;flex-wrap:wrap;gap:10px;}\n  .ro-wrap .ro-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:var(--white);font-size:15px !important;font-weight:500;padding:6px 14px;border-radius:40px;backdrop-filter:blur(6px);}\n  .ro-wrap .ro-callout{background:var(--offwhite);border-left:4px solid var(--sky);padding:20px 24px;}\n  .ro-wrap .ro-callout p{font-size:18px !important;color:var(--text);line-height:1.7;margin:0;}\n  .ro-wrap .ro-callout strong{color:var(--ocean);}\n  .ro-wrap .ro-section{padding:36px 40px;border-bottom:1px solid var(--slate);}\n  .ro-wrap .ro-label{font-size:13px !important;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--sky);margin-bottom:8px;}\n  .ro-wrap .ro-title{font-family:'DM Serif Display',serif;font-size:24px !important;color:var(--deep);margin-bottom:20px;font-weight:400;}\n  .ro-wrap .stage-pipeline{display:flex;flex-direction:column;gap:0;margin-top:4px;}\n  .ro-wrap .stage-row{display:flex;flex-direction:row;gap:12px;position:relative;min-width:0;align-items:flex-start;width:100%;box-sizing:border-box;}\n  .ro-wrap .stage-row:not(:last-child) .stage-line{position:absolute;left:17px;top:40px;bottom:0;width:2px;background:var(--slate);}\n  .ro-wrap .stage-num{width:36px;height:36px;min-width:36px;max-width:36px;border-radius:50%;background:linear-gradient(135deg,var(--ocean),var(--sky));color:white;display:flex;align-items:center;justify-content:center;font-size:16px !important;font-weight:700;flex:0 0 36px;position:relative;z-index:1;margin-top:16px;}\n  .ro-wrap .stage-body{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px 18px;margin-bottom:12px;flex:1 1 0;min-width:0;overflow:hidden;overflow-wrap:break-word;word-break:break-word;box-sizing:border-box;}\n  .ro-wrap .stage-body h3{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:8px;margin-top:6px;}\n  .ro-wrap .stage-tag{display:block;font-size:12px !important;font-weight:700;letter-spacing:.04em;text-transform:uppercase;background:var(--slate);color:var(--ocean);padding:3px 8px;border-radius:4px;margin-bottom:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;line-height:1.5 !important;box-sizing:border-box;}\n  .ro-wrap .stage-body p{font-size:18px !important;color:var(--muted);line-height:1.6;margin:0;display:block;}\n  .ro-wrap .stage-body .stage-part{font-size:15px !important;color:var(--sky);margin-top:6px;font-weight:500;}\n  .ro-wrap .specs-table{width:100%;border-collapse:collapse;font-size:18px !important;}\n  .ro-wrap .specs-table tr{border-bottom:1px solid var(--slate);}\n  .ro-wrap .specs-table tr:last-child{border-bottom:none;}\n  .ro-wrap .specs-table td{padding:11px 6px;vertical-align:top;}\n  .ro-wrap .specs-table td:first-child{font-weight:500;color:var(--deep);width:44%;padding-right:16px;}\n  .ro-wrap .specs-table td:last-child{color:var(--muted);}\n  .ro-wrap .specs-table tr:hover td{background:var(--offwhite);}\n  .ro-wrap .conditions-table{width:100%;border-collapse:collapse;font-size:18px !important;margin-top:4px;}\n  .ro-wrap .conditions-table th{background:var(--deep);color:var(--white);font-size:15px !important;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:10px 12px;text-align:left;}\n  .ro-wrap .conditions-table th:first-child{border-radius:var(--radius) 0 0 0;}\n  .ro-wrap .conditions-table th:last-child{border-radius:0 var(--radius) 0 0;}\n  .ro-wrap .conditions-table td{padding:10px 12px;border-bottom:1px solid var(--slate);color:var(--text);}\n  .ro-wrap .conditions-table tr:nth-child(even) td{background:var(--offwhite);}\n  .ro-wrap .ro-feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(220px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .ro-feature-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:20px 18px;}\n  .ro-wrap .ro-feat-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--ocean),var(--sky));border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;}\n  .ro-wrap .ro-feature-card h3{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .ro-feature-card p{font-size:18px !important;color:var(--muted);line-height:1.55;margin:0;}\n  .ro-wrap .pro-tip{display:block;background:#fffbeb;border:1px solid #f5d87a;border-radius:var(--radius);padding:18px 20px;margin-top:20px;box-sizing:border-box;width:100% !important;}\n  .ro-wrap .pro-tip-icon{font-size:22px !important;display:inline;margin-right:8px;line-height:1.6 !important;}\n  .ro-wrap .pro-tip p{font-size:18px !important;color:#5a4500;line-height:1.6 !important;margin:0;display:block;width:100%;}\n  .ro-wrap .pro-tip strong{color:#3d2e00;}\n  .ro-wrap .install-steps{counter-reset:step;list-style:none;padding:0;margin:4px 0 0;display:flex;flex-direction:column;gap:14px;}\n  .ro-wrap .install-steps li{counter-increment:step;display:flex;align-items:flex-start;gap:14px;font-size:18px !important;color:var(--text);}\n  .ro-wrap .install-steps li::before{content:counter(step);display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--ocean);color:white;font-size:15px !important;font-weight:700;flex-shrink:0;margin-top:1px;}\n  .ro-wrap .filter-schedule{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .schedule-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .schedule-card .interval{font-size:22px !important;font-family:'DM Serif Display',serif;color:var(--sky);font-weight:400;margin-bottom:4px;}\n  .ro-wrap .schedule-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .schedule-card p{font-size:15px !important;color:var(--muted);margin:0;line-height:1.45;}\n  .ro-wrap .benefits-strip{display:flex;flex-wrap:wrap;background:var(--deep);color:var(--white);border-radius:0 0 var(--radius) var(--radius);overflow:hidden;}\n  .ro-wrap .benefit-item{flex:1 1 200px;padding:24px 22px;border-right:1px solid rgba(255,255,255,.1);}\n  .ro-wrap .benefit-item:last-child{border-right:none;}\n  .ro-wrap .bi-icon{font-size:22px !important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n  \n  \u003cdiv class=\"ro-callout\"\u003e\n    The Pentek R Series R30-BB and R50-BB deliver industrial-grade reusable sediment filtration with over 16 square feet of pleated polyester media in a 10\" x 4.5\" Big Blue format. Built for repeated cleaning cycles, these cartridges handle residential well water, whole-house, and commercial applications where washable filters reduce long-term operating costs.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n    \u003ch2 class=\"ro-title\"\u003ePentek R Series Technical Details\u003c\/h2\u003e\n    \u003ctable class=\"specs-table\"\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eDimensions\u003c\/td\u003e\n        \u003ctd\u003e10\" x 4.5\" (Big Blue)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eFiltration Ratings\u003c\/td\u003e\n        \u003ctd\u003e30 or 50 micron\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMedia Type\u003c\/td\u003e\n        \u003ctd\u003ePleated non-woven polyester (reusable)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSurface Area\u003c\/td\u003e\n        \u003ctd\u003e16+ square feet\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCore Material\u003c\/td\u003e\n        \u003ctd\u003ePolypropylene with vinyl plastisol end caps\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTemperature Range\u003c\/td\u003e\n        \u003ctd\u003e40°F to 145°F\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003ePressure Drop\u003c\/td\u003e\n        \u003ctd\u003e1 psi @ 10 GPM\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eModels\u003c\/td\u003e\n        \u003ctd\u003eR30-BB (30 micron), R50-BB (50 micron)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eINSTALLATION \u0026amp; USE\u003c\/div\u003e\n    \u003ch2 class=\"ro-title\"\u003eInstalling Your Pentek R Series Filter\u003c\/h2\u003e\n    \u003col class=\"install-steps\"\u003e\n      \u003cli\u003eShut off water supply and relieve system pressure before opening your 10\" x 4.5\" Big Blue housing\u003c\/li\u003e\n      \u003cli\u003eRemove old cartridge and inspect housing sump for sediment buildup or damage to o-ring seal\u003c\/li\u003e\n      \u003cli\u003eInsert Pentek R30-BB or R50-BB cartridge with open end facing up, ensuring proper seating against housing cap\u003c\/li\u003e\n      \u003cli\u003eHand-tighten housing sump, restore water pressure slowly, and check for leaks at all connection points\u003c\/li\u003e\n      \u003cli\u003eWhen pressure drop increases or flow diminishes, remove cartridge and rinse with hose spray or backwash until media appears clean, then reinstall\u003c\/li\u003e\n    \u003c\/ol\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n    \u003ch2 class=\"ro-title\"\u003eHousing \u0026amp; Application Fit\u003c\/h2\u003e\n    \u003cp\u003eThe Pentek R Series fits all standard 10\" x 4.5\" Big Blue filter housings with 1\" or 1.5\" ports. Designed for whole-house sediment filtration, well water pretreatment, and commercial applications where washable filters reduce cartridge replacement frequency. The sonically welded seam and thermo-set vinyl plastisol end caps resist bacteria and chemical attack, making these cartridges suitable for chlorinated municipal supplies and agricultural water systems. Choose R30-BB for heavier sediment loads or R50-BB for lighter particulate capture with lower initial pressure drop.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"pro-tip\"\u003e\n    \u003cstrong\u003e🔧 Pro Tip:\u003c\/strong\u003e Mark your calendar to inspect reusable polyester cartridges every 30-60 days depending on sediment load. A quick rinse extends service life dramatically, but once the pleats no longer release debris easily or show visible wear, replace the cartridge rather than risk bypass flow through compromised media.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"30 Micron \/ Single","offer_id":35690796548258,"sku":"155101-43 (R30-BB)","price":34.1,"currency_code":"USD","in_stock":true},{"title":"30 Micron \/ Two Pack","offer_id":42670778220715,"sku":"(2) 155101-43","price":59.99,"currency_code":"USD","in_stock":true},{"title":"30 Micron \/ Six Pack","offer_id":37727055249579,"sku":"(6) 155101-43","price":159.99,"currency_code":"USD","in_stock":true},{"title":"30 Micron \/ 12 Pack","offer_id":42890099687595,"sku":"(12) 155101-43","price":325.0,"currency_code":"USD","in_stock":true},{"title":"50 Micron \/ Single","offer_id":35690796613794,"sku":"155053-43 (R50-BB)","price":29.76,"currency_code":"USD","in_stock":true},{"title":"50 Micron \/ Two Pack","offer_id":42670778253483,"sku":"(2) 155053-43","price":59.99,"currency_code":"USD","in_stock":true},{"title":"50 Micron \/ Six Pack","offer_id":37727056068779,"sku":"(6) 155053-43","price":151.88,"currency_code":"USD","in_stock":true},{"title":"50 Micron \/ 12 Pack","offer_id":42890099720363,"sku":"(12) 155053-43","price":325.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-r-series-10-x-45-big-blue-reusable-pleated-polyester-sediment-filter-633218.jpg?v=1762459414"},{"product_id":"pentek-rfc-bb-10-x-4-5-big-blue-radial-flow-carbon-25-micron-filter","title":"Pentek - RFC-BB - 10\" x 4.5\" Big Blue Radial Flow Carbon 25 Micron Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM Sans',sans-serif;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-wrap:break-word;word-break:break-word;min-width:0;\n  }\n  .ro-wrap .ro-hero{background:linear-gradient(135deg,var(--deep) 0%,var(--ocean) 50%,#1a5276 100%);color:var(--white);padding:52px 40px 44px;position:relative;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;}\n  .ro-wrap .ro-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 55% at 95% 45%,rgba(77,208,225,.15) 0%,transparent 65%),radial-gradient(ellipse 40% 40% at 5% 80%,rgba(255,255,255,.05) 0%,transparent 60%);pointer-events:none;}\n  .ro-wrap .ro-eyebrow{font-size:13px 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!important;box-sizing:border-box;}\n  .ro-wrap .stage-body p{font-size:18px !important;color:var(--muted);line-height:1.6;margin:0;display:block;}\n  .ro-wrap .stage-body .stage-part{font-size:15px !important;color:var(--sky);margin-top:6px;font-weight:500;}\n  .ro-wrap .specs-table{width:100%;border-collapse:collapse;font-size:18px !important;}\n  .ro-wrap .specs-table tr{border-bottom:1px solid var(--slate);}\n  .ro-wrap .specs-table tr:last-child{border-bottom:none;}\n  .ro-wrap .specs-table td{padding:11px 6px;vertical-align:top;}\n  .ro-wrap .specs-table td:first-child{font-weight:500;color:var(--deep);width:44%;padding-right:16px;}\n  .ro-wrap .specs-table td:last-child{color:var(--muted);}\n  .ro-wrap .specs-table tr:hover td{background:var(--offwhite);}\n  .ro-wrap .conditions-table{width:100%;border-collapse:collapse;font-size:18px !important;margin-top:4px;}\n  .ro-wrap .conditions-table th{background:var(--deep);color:var(--white);font-size:15px 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li::before{content:counter(step);display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--ocean);color:white;font-size:15px !important;font-weight:700;flex-shrink:0;margin-top:1px;}\n  .ro-wrap .filter-schedule{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .schedule-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .schedule-card .interval{font-size:22px !important;font-family:'DM Serif Display',serif;color:var(--sky);font-weight:400;margin-bottom:4px;}\n  .ro-wrap .schedule-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .schedule-card p{font-size:15px !important;color:var(--muted);margin:0;line-height:1.45;}\n  .ro-wrap .benefits-strip{display:flex;flex-wrap:wrap;background:var(--deep);color:var(--white);border-radius:0 0 var(--radius) var(--radius);overflow:hidden;}\n  .ro-wrap .benefit-item{flex:1 1 200px;padding:24px 22px;border-right:1px solid rgba(255,255,255,.1);}\n  .ro-wrap .benefit-item:last-child{border-right:none;}\n  .ro-wrap .bi-icon{font-size:22px !important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\nThe Pentek RFC-BB is a 10\" x 4.5\" Big Blue radial flow carbon filter that uses granular activated carbon (GAC) to remove chlorine, taste, and odor from whole-house water systems. Rated at 25 microns with a 35,000-gallon capacity, this filter delivers superior GAC performance while virtually eliminating the carbon fines release common in standard loose carbon cartridges.\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003ePentek RFC-BB Filter Specs\u003c\/h2\u003e\n\u003cdiv class=\"spec-cards\"\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eDimensions\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e10\" x 4.5\"\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003e4-5\/8\" OD x 9-3\/4\" height\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eMicron Rating\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e25 micron\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eNominal filtration\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eFilter Media\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003eGAC\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eGranular activated carbon\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eFlow Rate\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e2 GPM\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003e0.9 psi pressure drop at 2 GPM\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eCapacity\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e35,000 gal\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eManufacturer tested\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eTemperature\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e40°F–180°F\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eContinuous operating range\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eTECHNICAL DETAILS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eConstruction \u0026amp; Materials\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Shell\u003c\/td\u003e\n\u003ctd\u003e70-micron porous polyethylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Core\u003c\/td\u003e\n\u003ctd\u003eSpun polypropylene (4.5\" OD version)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Caps\u003c\/td\u003e\n\u003ctd\u003eDurable polypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Media\u003c\/td\u003e\n\u003ctd\u003eGranular activated carbon (GAC) bed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Design\u003c\/td\u003e\n\u003ctd\u003eRadial flow configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eRFC-BB (Pentek 155141-43)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Compatibility\u003c\/td\u003e\n\u003ctd\u003e10\" x 4.5\" Big Blue housings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eWhere This Filter Works Best\u003c\/h2\u003e\n\u003cp\u003eThe Pentek RFC-BB is designed for point-of-entry (POE) whole-house systems and high flow rate applications requiring chlorine, taste, and odor removal. The radial flow design moves water from the outside shell through the GAC bed and into the polypropylene core, providing the adsorption benefits of loose granular carbon while the porous polyethylene outer shell contains carbon fines. This filter fits standard 10-inch Big Blue housings with 4.5-inch diameters and is ideal for municipal water supplies where chlorine removal and taste improvement are priorities. Compatible with Pentek and most major brand Big Blue filter housings rated for 10\" x 4.5\" cartridges.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pro-tip\"\u003e\n💧 \u003cstrong\u003ePro tip:\u003c\/strong\u003e Radial flow GAC filters like the RFC-BB deliver cleaner water downstream than standard loose carbon cartridges because the polyethylene outer shell traps carbon fines before they enter your plumbing. If you've dealt with black water after changing GAC filters before, this is the solution.\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Default Title","offer_id":35470097219746,"sku":"155141-43","price":72.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/product-5536593641634-padded.jpg?v=1777268117"},{"product_id":"pentek-pcf1-10mb-9-75-x-2-75-mixed-bed-deionization-filter","title":"Pentek - PCF1-10MB - 10\" x 2.5\" Mixed Bed Deionization Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    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!important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\nThe Pentek PCF1-10MB is a 10\" x 2.5\" mixed bed deionization cartridge engineered to deliver semiconductor-grade water by removing dissolved ions and reducing total organic carbon (TOC) to ultra-low levels. Built with FDA-compliant resin and polypropylene construction, this 270-grain capacity filter handles 0.25 GPM and up to 17,500 total TDS before exhaustion.\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eCore Performance Data\u003c\/h2\u003e\n\u003cdiv class=\"spec-cards\"\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eDimensions\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e10\" x 2.5\"\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eStandard cartridge size\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eFlow Rate\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e0.25 GPM\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eMaximum rated flow\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eGrain Capacity\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e270 grains\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003e17,500 total TDS\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003ePressure Drop\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e1.5 psi\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eAt 0.25 GPM\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eTemperature Range\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e40°F – 100°F\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eOperating limits\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eResin Type\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003eMixed Bed DI\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eSemiconductor grade\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eTECHNICAL DETAILS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eConstruction \u0026amp; Materials\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Media\u003c\/td\u003e\n\u003ctd\u003eMixed bed deionization resin (FDA-compliant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShell Material\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Caps\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePre-filter \/ Post-filter\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGaskets\u003c\/td\u003e\n\u003ctd\u003eBuna-N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003ePCF1-10MB (Pentek 155273-43)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Compatibility\u003c\/td\u003e\n\u003ctd\u003eStandard 10-inch filter housings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eWhere This Filter Excels\u003c\/h2\u003e\n\u003cp\u003eThe Pentek PCF1-10MB is designed for applications requiring deionized water with minimal TOC contamination. Common uses include pharmaceutical and medical laboratories, cosmetics manufacturing, circuit board printing, steam and humidification systems, recirculating cooling towers, power generation equipment, lasers, jet water sprayers, and boiler make-up water. This cartridge fits any standard 10-inch filter housing and serves as a polishing stage in reverse osmosis systems or whole-house setups where dissolved solids must be reduced to near-zero levels. The PCF Series uses high-capacity, semiconductor-grade resin that has undergone additional post-production treatment to strip organic contaminants, making it suitable for sensitive processes where water purity directly impacts product quality or equipment performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pro-tip\"\u003e\n💧 \u003cstrong\u003ePro Tip:\u003c\/strong\u003e Mixed bed DI cartridges exhaust faster with higher inlet TDS. Pre-filter with RO or carbon block filtration to extend the PCF1-10MB's service life and maximize your grain capacity.\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Single","offer_id":37849109266603,"sku":"155273-43","price":63.93,"currency_code":"USD","in_stock":true},{"title":"Two Pack","offer_id":37849109299371,"sku":"(2) 155273-43","price":124.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-pcf1-10mb-10-x-25-mixed-bed-deionization-filter-514856.jpg?v=1759500162"},{"product_id":"pentek-c1-9-75-x-2-5-activated-carbon-impregnated-5-micron-filter","title":"Pentek - C1 - 10\" x 2.5\" Activated Carbon-Impregnated 5 Micron Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    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!important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .ro-feature-card p{font-size:18px !important;color:var(--muted);line-height:1.55;margin:0;}\n  .ro-wrap .pro-tip{display:block;background:#fffbeb;border:1px solid #f5d87a;border-radius:var(--radius);padding:18px 20px;margin-top:20px;box-sizing:border-box;width:100% !important;}\n  .ro-wrap .pro-tip-icon{font-size:22px !important;display:inline;margin-right:8px;line-height:1.6 !important;}\n  .ro-wrap .pro-tip p{font-size:18px !important;color:#5a4500;line-height:1.6 !important;margin:0;display:block;width:100%;}\n  .ro-wrap .pro-tip strong{color:#3d2e00;}\n  .ro-wrap .install-steps{counter-reset:step;list-style:none;padding:0;margin:4px 0 0;display:flex;flex-direction:column;gap:14px;}\n  .ro-wrap .install-steps li{counter-increment:step;display:flex;align-items:flex-start;gap:14px;font-size:18px !important;color:var(--text);}\n  .ro-wrap .install-steps 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var(--radius);overflow:hidden;}\n  .ro-wrap .benefit-item{flex:1 1 200px;padding:24px 22px;border-right:1px solid rgba(255,255,255,.1);}\n  .ro-wrap .benefit-item:last-child{border-right:none;}\n  .ro-wrap .bi-icon{font-size:22px !important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px 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.benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n  \u003cdiv class=\"ro-hero\"\u003e\n    \u003cdiv class=\"ro-eyebrow\"\u003ePentek C1 Carbon-Impregnated Cartridge\u003c\/div\u003e\n    \u003ch2\u003e10\" x 2.5\" Activated Carbon Filter for Sediment, Taste \u0026amp; Chlorine\u003c\/h2\u003e\n    \u003cdiv class=\"ro-tagline\"\u003eDual-purpose cellulose cartridge with carbon impregnation for fine sediment removal and chlorine reduction in residential and light commercial applications\u003c\/div\u003e\n    \u003cdiv class=\"ro-badges\"\u003e\n      \u003cspan class=\"ro-badge\"\u003e5 Micron Nominal\u003c\/span\u003e\n      \u003cspan class=\"ro-badge\"\u003eCarbon Impregnated\u003c\/span\u003e\n      \u003cspan class=\"ro-badge\"\u003e5,000 Gallon Capacity\u003c\/span\u003e\n      \u003cspan class=\"ro-badge\"\u003e10\" x 2.5\" Standard\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-callout\"\u003e\n    \u003cp\u003eThe Pentek C1 combines fine sediment filtration with carbon-based taste and odor reduction in a single economical cartridge. Built with polyester reinforcement and external netting for added strength, it handles residential tap water applications and process polishing with equal reliability.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n    \u003ch3 class=\"ro-title\"\u003ePentek C1 Technical Details\u003c\/h3\u003e\n    \u003ctable class=\"specs-table\"\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-key\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003eC1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-key\"\u003eDimensions\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e10\" x 2.5\"\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-key\"\u003eMicron Rating\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e5 Micron (Nominal)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-key\"\u003eFilter Media\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003ePAC Impregnated Cellulose\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-key\"\u003eEnd Caps\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003ePolypropylene\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-key\"\u003eCore Material\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003ePolypropylene\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-key\"\u003eNetting\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003ePolyethylene\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-key\"\u003eReinforcement\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003ePolyester Backing\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-key\"\u003eTemperature Range\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e40°F to 145°F\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-key\"\u003ePressure Drop\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e4 psi @ 5 GPM\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-key\"\u003eService Life\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e5,000 Gallons\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-key\"\u003ePrimary Applications\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003eSediment, Chlorine, Taste, Odor\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n    \u003ch3 class=\"ro-title\"\u003eHousing \u0026amp; System Requirements\u003c\/h3\u003e\n    \u003cp\u003eThe Pentek C1 fits all standard 10-inch filter housings designed for 2.5-inch diameter cartridges, including whole-house systems, reverse osmosis pre-filtration stages, and under-sink units. Compatible with Pentek, GE, Culligan, Omni, and other major brands using the 10\" x 2.5\" cartridge standard. Ideal for use as a general-purpose sediment and taste filter in residential tap water applications or as a polishing filter in process and closed-loop water systems.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Single","offer_id":37728208715947,"sku":"155002-43","price":16.68,"currency_code":"USD","in_stock":true},{"title":"Two Pack","offer_id":37728208748715,"sku":"(2) 155002-43","price":18.49,"currency_code":"USD","in_stock":true},{"title":"Three Pack","offer_id":37728208781483,"sku":"(3) 155002-43","price":24.99,"currency_code":"USD","in_stock":true},{"title":"Four pack","offer_id":37728208814251,"sku":"(4) 155002-43","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-c1-10-x-25-activated-carbon-impregnated-5-micron-filter-249623.jpg?v=1762459418"},{"product_id":"pentek-155162-43-9-75x2-75-cbc-10-carbon-briquette-0-5-micron-filter","title":"Pentek - CBC-10 - 10\" x 2.5\" Carbon-Briquette 0.5 Micron Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM Sans',sans-serif;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-wrap:break-word;word-break:break-word;min-width:0;\n  }\n  .ro-wrap .ro-hero{background:linear-gradient(135deg,var(--deep) 0%,var(--ocean) 50%,#1a5276 100%);color:var(--white);padding:52px 40px 44px;position:relative;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;}\n  .ro-wrap .ro-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 55% 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li::before{content:counter(step);display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--ocean);color:white;font-size:15px !important;font-weight:700;flex-shrink:0;margin-top:1px;}\n  .ro-wrap .filter-schedule{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .schedule-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .schedule-card .interval{font-size:22px !important;font-family:'DM Serif Display',serif;color:var(--sky);font-weight:400;margin-bottom:4px;}\n  .ro-wrap .schedule-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .schedule-card p{font-size:15px !important;color:var(--muted);margin:0;line-height:1.45;}\n  .ro-wrap .benefits-strip{display:flex;flex-wrap:wrap;background:var(--deep);color:var(--white);border-radius:0 0 var(--radius) var(--radius);overflow:hidden;}\n  .ro-wrap .benefit-item{flex:1 1 200px;padding:24px 22px;border-right:1px solid rgba(255,255,255,.1);}\n  .ro-wrap .benefit-item:last-child{border-right:none;}\n  .ro-wrap .bi-icon{font-size:22px !important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n  \u003cdiv class=\"ro-callout\"\u003e\n    The Pentek CBC-10 is a 10\" x 2.5\" carbon block filter that combines sub-micron filtration with high-capacity chlorine reduction in a solid briquette structure. Rated at 0.5 microns, it reduces cysts, sediment, taste, odor, and chlorine while delivering up to 20,000 gallons of filtered water.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n    \u003ch2 class=\"ro-title\"\u003ePentek CBC-10 Filter Specs\u003c\/h2\u003e\n    \u003ctable class=\"specs-table\"\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eModel\u003c\/td\u003e\n        \u003ctd\u003eCBC-10\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eDimensions\u003c\/td\u003e\n        \u003ctd\u003e10\" x 2.5\" (9.75\" x 2.5\" actual)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMicron Rating\u003c\/td\u003e\n        \u003ctd\u003e0.5 micron\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eFilter Media\u003c\/td\u003e\n        \u003ctd\u003eBonded Pressed Activated Carbon (PAC)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCapacity\u003c\/td\u003e\n        \u003ctd\u003e20,000 gallons\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eFlow Rate\u003c\/td\u003e\n        \u003ctd\u003e1 GPM @ 3.7 psi pressure drop\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTemperature Range\u003c\/td\u003e\n        \u003ctd\u003e40°F to 145°F\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMaterial Compliance\u003c\/td\u003e\n        \u003ctd\u003eFDA-compliant materials\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eINSTALLATION \u0026amp; USE\u003c\/div\u003e\n    \u003ch2 class=\"ro-title\"\u003eInstalling Your CBC-10 Carbon Block\u003c\/h2\u003e\n    \u003col class=\"install-steps\"\u003e\n      \u003cli\u003eTurn off water supply and relieve system pressure before removing the old filter from your 10\" x 2.5\" standard housing.\u003c\/li\u003e\n      \u003cli\u003eRemove the CBC-10 from packaging and inspect the carbon block for any shipping damage. Check that o-rings on the housing are in good condition.\u003c\/li\u003e\n      \u003cli\u003eInsert the CBC-10 into the filter housing, ensuring it seats properly at the base. Hand-tighten the housing onto the cap.\u003c\/li\u003e\n      \u003cli\u003eTurn water supply back on slowly and check for leaks. Flush the filter for 5 minutes to purge carbon fines before use.\u003c\/li\u003e\n      \u003cli\u003eReplace the CBC-10 every 6-12 months or when you notice reduced flow rate or taste and odor breakthrough, whichever comes first.\u003c\/li\u003e\n    \u003c\/ol\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n    \u003ch2 class=\"ro-title\"\u003eWhere the CBC-10 Fits\u003c\/h2\u003e\n    \u003cp\u003eThe Pentek CBC-10 fits any standard 10-inch filter housing designed for 2.5-inch diameter cartridges. It works as a standalone filter for whole-house sediment and chlorine reduction, as a pre-filter upstream of RO membranes and UV systems, or as a polishing filter in multi-stage residential and commercial water treatment applications. Compatible with Pentek, Culligan, Omnifilter, and other brands using the 10\" x 2.5\" standard size. Ideal for city water, well water, food service, and light commercial installations where both particulate and chemical reduction are required.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"pro-tip\"\u003e\n    🔧 \u003cstrong\u003ePro Tip:\u003c\/strong\u003e Always flush the CBC-10 for at least 5 minutes after installation to clear carbon fines. If you're using this as an RO pre-filter, monitor your pressure gauge—when the drop exceeds 10 psi, it's time to replace the cartridge even if you haven't hit the 6-month mark.\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Single","offer_id":37767586709675,"sku":"155162-43","price":35.1,"currency_code":"USD","in_stock":true},{"title":"Six Pack","offer_id":37767586742443,"sku":"(6) 155162-43","price":150.0,"currency_code":"USD","in_stock":true},{"title":"(12) Twelve Pack (Full Case)","offer_id":37767586775211,"sku":"(12) 155162-43","price":275.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-cbc-10-10-x-25-carbon-briquette-05-micron-filter-134211.jpg?v=1762459420"},{"product_id":"pentek-cc-10-9-75x2-75-coconut-granular-activated-carbon-gac-filter","title":"Pentek - CC-10 - 10\" x 2.5\" Coconut Granular Activated Carbon GAC Filter","description":"\n\u003clink 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.benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\nThe Pentek CC-10 is a 10\" x 2.5\" granular activated carbon filter that uses coconut shell carbon to effectively reduce chlorine taste, odor, and certain volatile organic compounds including MTBE from potable drinking water. Built with a 20-micron post-filter and internal expansion pad, this cartridge delivers up to 7,500 gallons of exceptional tasting water while minimizing channeling and carbon fines.\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003ePentek CC-10 Filter Specs\u003c\/h2\u003e\n\u003cdiv class=\"spec-cards\"\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eDimensions\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e10\" x 2.5\"\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003e9.75\" length x 2.5\" diameter\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eFilter Media\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003eCoconut GAC\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eGranular activated carbon\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003ePost-Filter\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e20 Micron\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eSpun polypropylene\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eFlow Rate\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e1 GPM\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003e4.5 psi pressure drop\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eFilter Life\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e7,500 Gal\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eBased on water quality\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eTemperature\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e40°F - 145°F\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003ePolystyrene housing\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eTECHNICAL DETAILS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eConstruction \u0026amp; Materials\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eCC-10 (Pentek 155155-43)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Media\u003c\/td\u003e\n\u003ctd\u003eCoconut shell granular activated carbon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Caps\u003c\/td\u003e\n\u003ctd\u003ePolystyrene with internal expansion pad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePost-Filter\u003c\/td\u003e\n\u003ctd\u003e20-micron spun polypropylene, permanently fastened to support basket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Casing\u003c\/td\u003e\n\u003ctd\u003ePolystyrene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Drop\u003c\/td\u003e\n\u003ctd\u003e4.5 psi at 1 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e40°F to 145°F (4°C to 63°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eWhere to Use This Filter\u003c\/h2\u003e\n\u003cp\u003eThe Pentek CC-10 fits any standard 10-inch filter housing designed for 2.5-inch diameter cartridges. It's ideal for reverse osmosis pre-filtration, whole-house chlorine reduction, under-sink filtration systems, and general-purpose point-of-use drinking water applications. The coconut shell carbon media outperforms standard coal-based GAC filters for VOC reduction and provides superior taste improvement. Use this cartridge when your primary concern is removing chlorine taste and odor from municipal water, or when you need effective MTBE and VOC reduction in potable water systems. Compatible with Pentek, US Filter, and most other standard 10\" housings.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pro-tip\"\u003e\n💧 The internal expansion pad and secured post-filter design in the CC-10 prevent channeling and carbon bypass—common failure points in cheaper GAC cartridges that lead to inconsistent filtration and shorter filter life.\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Single","offer_id":43110042108075,"sku":"155155-43","price":29.19,"currency_code":"USD","in_stock":true},{"title":"Two Pack","offer_id":43110042140843,"sku":"2x 155155-44","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/product-5536594231458-padded.jpg?v=1777268023"},{"product_id":"pentek-cw-f-9-7-8-x-2-5-string-wound-polypropylene-sediment-10-micron-filter","title":"Pentek - CW-F - 10\" x 2.5\" String Wound Polypropylene Sediment 10 Micron Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM Sans',sans-serif;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-wrap:break-word;word-break:break-word;min-width:0;\n  }\n  .ro-wrap .ro-hero{background:linear-gradient(135deg,var(--deep) 0%,var(--ocean) 50%,#1a5276 100%);color:var(--white);padding:52px 40px 44px;position:relative;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;}\n  .ro-wrap .ro-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 55% at 95% 45%,rgba(77,208,225,.15) 0%,transparent 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.benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n  \u003cdiv class=\"ro-callout\"\u003e\n    The Pentek CW-F is a 10-inch x 2.5-inch string wound polypropylene sediment filter with a 10 micron nominal rating, designed for reliable sediment reduction in both residential and light commercial applications. Its durable polypropylene cord construction and rigid core provide consistent filtration of sand, silt, rust, and scale particles at flow rates up to 10 GPM.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n    \u003ch2 class=\"ro-title\"\u003ePentek CW-F Technical Details\u003c\/h2\u003e\n    \u003ctable class=\"specs-table\"\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eModel Number\u003c\/td\u003e\n        \u003ctd\u003eCW-F (155186-43)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eDimensions\u003c\/td\u003e\n        \u003ctd\u003e10\" x 2.5\" (9-7\/8\" x 2-1\/2\" actual)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMicron Rating\u003c\/td\u003e\n        \u003ctd\u003e10 micron (nominal)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eFilter Media\u003c\/td\u003e\n        \u003ctd\u003ePolypropylene fiber cord, string wound\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCore Material\u003c\/td\u003e\n        \u003ctd\u003eRigid polypropylene\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eFlow Rate\u003c\/td\u003e\n        \u003ctd\u003e7-10 GPM\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTemperature Range\u003c\/td\u003e\n        \u003ctd\u003e40°F to 125°F (4.4°C to 51.7°C)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003ePressure Drop\u003c\/td\u003e\n        \u003ctd\u003e1 psi @ 10 GPM\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eINSTALLATION \u0026amp; USE\u003c\/div\u003e\n    \u003ch2 class=\"ro-title\"\u003eHow to Install Your CW-F Filter\u003c\/h2\u003e\n    \u003col class=\"install-steps\"\u003e\n      \u003cli\u003eShut off water supply and relieve system pressure by opening a downstream faucet before removing your filter housing sump.\u003c\/li\u003e\n      \u003cli\u003eRemove the old cartridge and clean the housing sump with a mild bleach solution, then rinse thoroughly to remove sediment buildup.\u003c\/li\u003e\n      \u003cli\u003eInsert the new Pentek CW-F cartridge into the housing, ensuring the center core is properly seated on the standpipe at the base.\u003c\/li\u003e\n      \u003cli\u003eLubricate the O-ring with clean silicone grease, thread the sump back onto the cap hand-tight, then restore water pressure and check for leaks.\u003c\/li\u003e\n      \u003cli\u003eRun water for 2-3 minutes to flush any air and loose fibers from the new cartridge before regular use.\u003c\/li\u003e\n    \u003c\/ol\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n    \u003ch2 class=\"ro-title\"\u003eWorks With Standard 10-Inch Housings\u003c\/h2\u003e\n    \u003cp\u003eThe Pentek CW-F fits all standard 10-inch filter housings designed for 2.5-inch diameter cartridges. It is compatible with whole house filtration systems, reverse osmosis pre-filtration stages, and point-of-use applications using municipal or well water. This filter is suitable for sediment reduction in residential, commercial, and light industrial water treatment installations. Replace every 3-6 months depending on sediment load and water quality.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"pro-tip\"\u003e\n    🔧 \u003cstrong\u003ePro Tip:\u003c\/strong\u003e String wound filters like the CW-F work best as a primary sediment filter before carbon or membrane stages. If you're on well water with heavy sediment, consider adding a 30-micron CW cartridge upstream to extend the life of this 10-micron filter.\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Default Title","offer_id":35470099546274,"sku":"155186-43 - CPC","price":8.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/product-5536594428066-padded.jpg?v=1777268036"},{"product_id":"pentek-epm-10-9-75-x-2-75-modified-epsilon-carbon-briquette-10-micron-filter","title":"Pentek - EPM-10 - 10\" x 2.5\" Modified Epsilon Carbon-Briquette 10 Micron Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    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.ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n  \u003cdiv class=\"ro-callout\"\u003e\n    The Pentek EPM-10 combines reliable 10-micron carbon block filtration with a high-porosity design that resists premature plugging. Its Endurawrap protective pre-filter extends cartridge life by trapping sediment before it clogs the carbon media, making it ideal for chlorine, taste, and odor reduction in residential and commercial applications.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n    \u003ch2 class=\"ro-title\"\u003ePentek EPM-10 Technical Details\u003c\/h2\u003e\n    \u003ctable class=\"specs-table\"\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eDimensions\u003c\/td\u003e\n        \u003ctd\u003e10\" x 2.5\" (9.75\" x 2.5\" actual)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMicron Rating\u003c\/td\u003e\n        \u003ctd\u003e10 micron nominal\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eFilter Media\u003c\/td\u003e\n        \u003ctd\u003eModified epsilon carbon-briquette (bonded PAC)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOuter Wrap\u003c\/td\u003e\n        \u003ctd\u003eEndurawrap polyolefin bilaminate pre-filter\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eFilter Life\u003c\/td\u003e\n        \u003ctd\u003e3,000 gallons (manufacturer tested)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003ePressure Drop\u003c\/td\u003e\n        \u003ctd\u003e1.5 psi at 1 GPM\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTemperature Range\u003c\/td\u003e\n        \u003ctd\u003e40°F to 145°F\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eEnd Cap Material\u003c\/td\u003e\n        \u003ctd\u003ePolystyrene with polyethylene netting\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eINSTALLATION \u0026amp; USE\u003c\/div\u003e\n    \u003ch2 class=\"ro-title\"\u003eHow to Install the EPM-10 Cartridge\u003c\/h2\u003e\n    \u003col class=\"install-steps\"\u003e\n      \u003cli\u003eShut off water supply and relieve pressure from the filter housing by opening a downstream faucet or using the pressure release button if equipped.\u003c\/li\u003e\n      \u003cli\u003eUnscrew the housing sump using a filter wrench, remove the old cartridge, and clean the housing interior and o-ring with warm water.\u003c\/li\u003e\n      \u003cli\u003eInsert the new Pentek EPM-10 cartridge into the housing, ensuring it seats properly on the center standpipe.\u003c\/li\u003e\n      \u003cli\u003eReinstall the housing sump with a lubricated o-ring, hand-tighten firmly, then turn on water and check for leaks.\u003c\/li\u003e\n      \u003cli\u003eFlush the cartridge for 3-5 minutes to remove carbon fines before resuming normal use.\u003c\/li\u003e\n    \u003c\/ol\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n    \u003ch2 class=\"ro-title\"\u003eHousing \u0026amp; Application Compatibility\u003c\/h2\u003e\n    \u003cp\u003eThe Pentek EPM-10 fits all standard 10-inch filter housings designed for 2.5-inch diameter cartridges. It works in both whole-house and point-of-use applications including under-sink systems, RO pre-filtration stages, refrigerator lines, and commercial food service equipment. Compatible with Pentek, Ametek, Culligan, and other housings accepting 10\" x 2.5\" cartridges. Suitable for municipal and well water where sediment and chlorine reduction are priorities.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"pro-tip\"\u003e\n    🔧 \u003cstrong\u003ePro Tip:\u003c\/strong\u003e The Endurawrap pre-filter adds life, but if you have heavy sediment, install a 5-micron sediment cartridge upstream to maximize the EPM-10's carbon adsorption capacity and prevent early plugging.\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Default Title","offer_id":35470099677346,"sku":"155634-43","price":16.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-epm-10-10-x-25-modified-epsilon-carbon-briquette-10-micron-filter-303466.jpg?v=1762459424"},{"product_id":"pentek-gac-10-9-75x2-75-granular-activated-carbon-filter","title":"Pentek - GAC-10 - 10\" x 2.5\" Granular Activated Carbon Filter","description":"\n\u003clink 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.benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003ePentek Premium Carbon Filtration\u003c\/div\u003e\n\u003ch2\u003e\n\u003cem\u003eGAC-10\u003c\/em\u003e Granular Activated Carbon Filter Cartridge\u003c\/h2\u003e\n\u003cp class=\"ro-tagline\"\u003e10\" x 2.5\" loose carbon filter with full-length bed contact and integrated 20-micron post-filter for whole house and RO applications\u003c\/p\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ 5,000 gallon capacity\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Chlorine taste \u0026amp; odor reduction\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ 20-micron post-filter included\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Fits standard 10\" housings\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eThe Pentek GAC-10 uses a full-length granular activated carbon bed to maximize water contact time and adsorption efficiency. Built with an internal expansion pad to prevent channeling and a permanently fastened 20-micron spun polypropylene post-filter to reduce carbon fines, this cartridge delivers \u003cstrong\u003e5,000 gallons\u003c\/strong\u003e of chlorine, taste, and odor reduction at \u003cstrong\u003e1 GPM\u003c\/strong\u003e in standard 10-inch housings.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eKEY FEATURES\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eEngineered for Maximum Contact and Minimal Bypass\u003c\/h3\u003e\n\u003cdiv class=\"ro-feature-grid\"\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🌊\u003c\/span\u003e\n\u003ch3\u003eFull-Length Carbon Bed\u003c\/h3\u003e\n\u003cp\u003eWater enters one end and flows through the entire granular activated carbon bed before exiting, ensuring maximum contact time for effective chlorine and taste reduction\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🔒\u003c\/span\u003e\n\u003ch3\u003eInternal Expansion Pad\u003c\/h3\u003e\n\u003cp\u003ePrevents carbon channeling and bypass, maintaining consistent flow through the media bed throughout the filter's service life\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🧹\u003c\/span\u003e\n\u003ch3\u003eIntegrated 20-Micron Post-Filter\u003c\/h3\u003e\n\u003cp\u003ePermanently fastened spun polypropylene post-filter reduces carbon fines and suspended particles before water exits the cartridge\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🔧\u003c\/span\u003e\n\u003ch3\u003eUniversal Fit\u003c\/h3\u003e\n\u003cp\u003eStandard 10\" x 2.5\" dimensions fit all common 10-inch filter housings for whole house and RO systems\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e💧\u003c\/span\u003e\n\u003ch3\u003ePolystyrene Construction\u003c\/h3\u003e\n\u003cp\u003eDurable polystyrene end caps and outer casing with innovative support basket design ensure structural integrity and prevent post-filter bypass\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e📊\u003c\/span\u003e\n\u003ch3\u003eReliable Performance\u003c\/h3\u003e\n\u003cp\u003eRated for 40°F to 145°F, 7 psi pressure drop at 1 GPM, and up to 5,000 gallons of service life depending on source water conditions\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eWhere the GAC-10 Fits\u003c\/h3\u003e\n\u003cp\u003eThe Pentek GAC-10 (part number 155109-43) is designed for standard 10-inch filter housings and works in both whole house and point-of-use applications. Compatible with RO systems, under-sink filters, and inline filtration setups where chlorine taste and odor reduction is needed. Ideal as a carbon stage in multi-stage systems or as a standalone drinking water filter. Works with all Pentek 10\" standard housings and most other brands using the same 2.5\" diameter cartridge format.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003ePentek GAC Series cartridges are manufactured to strict quality standards and backed by decades of proven performance in residential and light commercial water treatment applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Single","offer_id":37706690691243,"sku":"155109-43","price":25.01,"currency_code":"USD","in_stock":true},{"title":"Two Pack","offer_id":42653551329451,"sku":"2x 155109-43","price":40.0,"currency_code":"USD","in_stock":true},{"title":"Three Pack","offer_id":42713574080683,"sku":"3x 155109-43","price":55.99,"currency_code":"USD","in_stock":true},{"title":"Four Pack","offer_id":42653551362219,"sku":"4x 155109-43","price":72.0,"currency_code":"USD","in_stock":true},{"title":"Six 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Sans',sans-serif;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-wrap:break-word;word-break:break-word;min-width:0;\n  }\n  .ro-wrap .ro-hero{background:linear-gradient(135deg,var(--deep) 0%,var(--ocean) 50%,#1a5276 100%);color:var(--white);padding:52px 40px 44px;position:relative;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;}\n  .ro-wrap .ro-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 55% at 95% 45%,rgba(77,208,225,.15) 0%,transparent 65%),radial-gradient(ellipse 40% 40% at 5% 80%,rgba(255,255,255,.05) 0%,transparent 60%);pointer-events:none;}\n  .ro-wrap .ro-eyebrow{font-size:13px !important;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--aqua);margin-bottom:12px;}\n  .ro-wrap .ro-hero h2{font-family:'DM Serif Display',serif;font-size:clamp(26px,4vw,40px) !important;line-height:1.15;font-weight:400;margin-bottom:16px;color:var(--white);}\n  .ro-wrap .ro-hero h2 em{font-style:italic;color:var(--aqua);}\n  .ro-wrap .ro-tagline{font-size:18px !important;color:rgba(255,255,255,.75);font-weight:300;margin-bottom:28px;}\n  .ro-wrap .ro-badges{display:flex;flex-wrap:wrap;gap:10px;}\n  .ro-wrap .ro-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:var(--white);font-size:15px !important;font-weight:500;padding:6px 14px;border-radius:40px;backdrop-filter:blur(6px);}\n  .ro-wrap .ro-callout{background:var(--offwhite);border-left:4px solid var(--sky);padding:20px 24px;}\n  .ro-wrap .ro-callout p{font-size:18px !important;color:var(--text);line-height:1.7;margin:0;}\n  .ro-wrap .ro-callout strong{color:var(--ocean);}\n  .ro-wrap .ro-section{padding:36px 40px;border-bottom:1px solid var(--slate);}\n  .ro-wrap .ro-label{font-size:13px !important;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--sky);margin-bottom:8px;}\n  .ro-wrap .ro-title{font-family:'DM Serif Display',serif;font-size:24px !important;color:var(--deep);margin-bottom:20px;font-weight:400;}\n  .ro-wrap .stage-pipeline{display:flex;flex-direction:column;gap:0;margin-top:4px;}\n  .ro-wrap .stage-row{display:flex;flex-direction:row;gap:12px;position:relative;min-width:0;align-items:flex-start;width:100%;box-sizing:border-box;}\n  .ro-wrap .stage-row:not(:last-child) .stage-line{position:absolute;left:17px;top:40px;bottom:0;width:2px;background:var(--slate);}\n  .ro-wrap .stage-num{width:36px;height:36px;min-width:36px;max-width:36px;border-radius:50%;background:linear-gradient(135deg,var(--ocean),var(--sky));color:white;display:flex;align-items:center;justify-content:center;font-size:16px !important;font-weight:700;flex:0 0 36px;position:relative;z-index:1;margin-top:16px;}\n  .ro-wrap .stage-body{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px 18px;margin-bottom:12px;flex:1 1 0;min-width:0;overflow:hidden;overflow-wrap:break-word;word-break:break-word;box-sizing:border-box;}\n  .ro-wrap .stage-body h3{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:8px;margin-top:6px;}\n  .ro-wrap .stage-tag{display:block;font-size:12px !important;font-weight:700;letter-spacing:.04em;text-transform:uppercase;background:var(--slate);color:var(--ocean);padding:3px 8px;border-radius:4px;margin-bottom:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;line-height:1.5 !important;box-sizing:border-box;}\n  .ro-wrap .stage-body p{font-size:18px !important;color:var(--muted);line-height:1.6;margin:0;display:block;}\n  .ro-wrap .stage-body .stage-part{font-size:15px !important;color:var(--sky);margin-top:6px;font-weight:500;}\n  .ro-wrap .specs-table{width:100%;border-collapse:collapse;font-size:18px !important;}\n  .ro-wrap .specs-table tr{border-bottom:1px solid var(--slate);}\n  .ro-wrap .specs-table tr:last-child{border-bottom:none;}\n  .ro-wrap .specs-table td{padding:11px 6px;vertical-align:top;}\n  .ro-wrap .specs-table td:first-child{font-weight:500;color:var(--deep);width:44%;padding-right:16px;}\n  .ro-wrap .specs-table td:last-child{color:var(--muted);}\n  .ro-wrap .specs-table tr:hover td{background:var(--offwhite);}\n  .ro-wrap .conditions-table{width:100%;border-collapse:collapse;font-size:18px !important;margin-top:4px;}\n  .ro-wrap .conditions-table th{background:var(--deep);color:var(--white);font-size:15px !important;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:10px 12px;text-align:left;}\n  .ro-wrap .conditions-table th:first-child{border-radius:var(--radius) 0 0 0;}\n  .ro-wrap .conditions-table th:last-child{border-radius:0 var(--radius) 0 0;}\n  .ro-wrap .conditions-table td{padding:10px 12px;border-bottom:1px solid var(--slate);color:var(--text);}\n  .ro-wrap .conditions-table tr:nth-child(even) td{background:var(--offwhite);}\n  .ro-wrap .ro-feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(220px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .ro-feature-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:20px 18px;}\n  .ro-wrap .ro-feat-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--ocean),var(--sky));border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;}\n  .ro-wrap .ro-feature-card h3{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .ro-feature-card p{font-size:18px !important;color:var(--muted);line-height:1.55;margin:0;}\n  .ro-wrap .pro-tip{display:block;background:#fffbeb;border:1px solid #f5d87a;border-radius:var(--radius);padding:18px 20px;margin-top:20px;box-sizing:border-box;width:100% !important;}\n  .ro-wrap .pro-tip-icon{font-size:22px !important;display:inline;margin-right:8px;line-height:1.6 !important;}\n  .ro-wrap .pro-tip p{font-size:18px !important;color:#5a4500;line-height:1.6 !important;margin:0;display:block;width:100%;}\n  .ro-wrap .pro-tip strong{color:#3d2e00;}\n  .ro-wrap .install-steps{counter-reset:step;list-style:none;padding:0;margin:4px 0 0;display:flex;flex-direction:column;gap:14px;}\n  .ro-wrap .install-steps li{counter-increment:step;display:flex;align-items:flex-start;gap:14px;font-size:18px !important;color:var(--text);}\n  .ro-wrap .install-steps li::before{content:counter(step);display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--ocean);color:white;font-size:15px !important;font-weight:700;flex-shrink:0;margin-top:1px;}\n  .ro-wrap .filter-schedule{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .schedule-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .schedule-card .interval{font-size:22px !important;font-family:'DM Serif Display',serif;color:var(--sky);font-weight:400;margin-bottom:4px;}\n  .ro-wrap .schedule-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .schedule-card p{font-size:15px !important;color:var(--muted);margin:0;line-height:1.45;}\n  .ro-wrap .benefits-strip{display:flex;flex-wrap:wrap;background:var(--deep);color:var(--white);border-radius:0 0 var(--radius) var(--radius);overflow:hidden;}\n  .ro-wrap .benefit-item{flex:1 1 200px;padding:24px 22px;border-right:1px solid rgba(255,255,255,.1);}\n  .ro-wrap .benefit-item:last-child{border-right:none;}\n  .ro-wrap .bi-icon{font-size:22px !important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003ePentek NCP-10\u003c\/div\u003e\n\u003ch2\u003e10\" x 2.5\" Pleated Carbon-Impregnated Polyester Filter\u003c\/h2\u003e\n\u003cdiv class=\"ro-tagline\"\u003eDual-action sediment and carbon filtration in a single 10 micron cartridge engineered for municipal and non-chlorinated water systems\u003c\/div\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e10 Micron Nominal\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e225 Gallon Capacity\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003eBacteria Resistant\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003eLow Pressure Drop\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\nThe Pentek NCP-10 combines carbon-impregnated polyester pleats with sediment filtration to reduce chlorine taste and odor while capturing particulate down to 10 microns. The non-cellulose construction resists bacterial growth, making it suitable for both chlorinated municipal water and well water applications where biological contamination is a concern.\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003ePentek NCP-10 Technical Details\u003c\/h3\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eModel Number\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003eNCP-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eDimensions\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e10\" x 2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eMicron Rating\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e10 micron (nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eFilter Media\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003ePleated carbon-impregnated polyester\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eEnd Caps\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003eVinyl plastisol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eCore Material\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eNetting\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003ePolyethylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003ePressure Drop\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e2 psi @ 3 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eService Life\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e225 gallons (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eTemperature Range\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e40°F to 145°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eContaminant Reduction\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003eSediment, chlorine taste \u0026amp; odor, particulate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eRecommended Applications\u003c\/h3\u003e\n\u003cp\u003eThe NCP-10 fits standard 10-inch filter housings with 2.5-inch diameter openings. Use as a polishing filter in reverse osmosis systems, whole-house applications, or well water treatment where both sediment removal and carbon filtration are needed. The pleated design provides high dirt-loading capacity with minimal pressure drop, making it ideal for post-RO installations, closed-loop recirculation systems, and any application requiring extended service life with dual-action filtration.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Default Title","offer_id":35470100103330,"sku":"155367-43","price":21.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/product-5536594788514-padded.jpg?v=1777268086"},{"product_id":"pentek-155001-43-9-7-8x2-5-s1-pleated-cellulose-sediment-20-micron-filter","title":"Pentek - S1 - 10\" x 2.5\" Pleated Cellulose Sediment 20 Micron Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM Sans',sans-serif;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-wrap:break-word;word-break:break-word;min-width:0;\n  }\n  .ro-wrap .ro-hero{background:linear-gradient(135deg,var(--deep) 0%,var(--ocean) 50%,#1a5276 100%);color:var(--white);padding:52px 40px 44px;position:relative;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;}\n  .ro-wrap .ro-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 55% at 95% 45%,rgba(77,208,225,.15) 0%,transparent 65%),radial-gradient(ellipse 40% 40% at 5% 80%,rgba(255,255,255,.05) 0%,transparent 60%);pointer-events:none;}\n  .ro-wrap .ro-eyebrow{font-size:13px !important;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--aqua);margin-bottom:12px;}\n  .ro-wrap .ro-hero h2{font-family:'DM Serif Display',serif;font-size:clamp(26px,4vw,40px) !important;line-height:1.15;font-weight:400;margin-bottom:16px;color:var(--white);}\n  .ro-wrap .ro-hero h2 em{font-style:italic;color:var(--aqua);}\n  .ro-wrap .ro-tagline{font-size:18px !important;color:rgba(255,255,255,.75);font-weight:300;margin-bottom:28px;}\n  .ro-wrap .ro-badges{display:flex;flex-wrap:wrap;gap:10px;}\n  .ro-wrap .ro-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:var(--white);font-size:15px !important;font-weight:500;padding:6px 14px;border-radius:40px;backdrop-filter:blur(6px);}\n  .ro-wrap .ro-callout{background:var(--offwhite);border-left:4px solid var(--sky);padding:20px 24px;}\n  .ro-wrap .ro-callout p{font-size:18px !important;color:var(--text);line-height:1.7;margin:0;}\n  .ro-wrap .ro-callout strong{color:var(--ocean);}\n  .ro-wrap .ro-section{padding:36px 40px;border-bottom:1px solid var(--slate);}\n  .ro-wrap .ro-label{font-size:13px !important;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--sky);margin-bottom:8px;}\n  .ro-wrap .ro-title{font-family:'DM Serif Display',serif;font-size:24px !important;color:var(--deep);margin-bottom:20px;font-weight:400;}\n  .ro-wrap .stage-pipeline{display:flex;flex-direction:column;gap:0;margin-top:4px;}\n  .ro-wrap .stage-row{display:flex;flex-direction:row;gap:12px;position:relative;min-width:0;align-items:flex-start;width:100%;box-sizing:border-box;}\n  .ro-wrap .stage-row:not(:last-child) .stage-line{position:absolute;left:17px;top:40px;bottom:0;width:2px;background:var(--slate);}\n  .ro-wrap 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!important;box-sizing:border-box;}\n  .ro-wrap .stage-body p{font-size:18px !important;color:var(--muted);line-height:1.6;margin:0;display:block;}\n  .ro-wrap .stage-body .stage-part{font-size:15px !important;color:var(--sky);margin-top:6px;font-weight:500;}\n  .ro-wrap .specs-table{width:100%;border-collapse:collapse;font-size:18px !important;}\n  .ro-wrap .specs-table tr{border-bottom:1px solid var(--slate);}\n  .ro-wrap .specs-table tr:last-child{border-bottom:none;}\n  .ro-wrap .specs-table td{padding:11px 6px;vertical-align:top;}\n  .ro-wrap .specs-table td:first-child{font-weight:500;color:var(--deep);width:44%;padding-right:16px;}\n  .ro-wrap .specs-table td:last-child{color:var(--muted);}\n  .ro-wrap .specs-table tr:hover td{background:var(--offwhite);}\n  .ro-wrap .conditions-table{width:100%;border-collapse:collapse;font-size:18px !important;margin-top:4px;}\n  .ro-wrap .conditions-table th{background:var(--deep);color:var(--white);font-size:15px 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li::before{content:counter(step);display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--ocean);color:white;font-size:15px !important;font-weight:700;flex-shrink:0;margin-top:1px;}\n  .ro-wrap .filter-schedule{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .schedule-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .schedule-card .interval{font-size:22px !important;font-family:'DM Serif Display',serif;color:var(--sky);font-weight:400;margin-bottom:4px;}\n  .ro-wrap .schedule-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .schedule-card p{font-size:15px !important;color:var(--muted);margin:0;line-height:1.45;}\n  .ro-wrap .benefits-strip{display:flex;flex-wrap:wrap;background:var(--deep);color:var(--white);border-radius:0 0 var(--radius) var(--radius);overflow:hidden;}\n  .ro-wrap .benefit-item{flex:1 1 200px;padding:24px 22px;border-right:1px solid rgba(255,255,255,.1);}\n  .ro-wrap .benefit-item:last-child{border-right:none;}\n  .ro-wrap .bi-icon{font-size:22px !important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n  \u003cdiv class=\"ro-callout\"\u003e\n    The Pentek S1 (155001-43) delivers reliable 20-micron sediment filtration in a pleated cellulose design built for whole-house and RO pre-filtration applications. Its unitized end cap construction and sonic-welded overlap seam minimize bypass and ensure consistent performance across residential and light commercial installations.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n    \u003ch2 class=\"ro-title\"\u003ePentek S1 Filter Technical Details\u003c\/h2\u003e\n    \u003ctable class=\"specs-table\"\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eModel Number\u003c\/td\u003e\n        \u003ctd\u003ePentek 155001-43\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eDimensions\u003c\/td\u003e\n        \u003ctd\u003e10\" x 2.5\" (9-7\/8\" x 2-1\/2\" actual)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMicron Rating\u003c\/td\u003e\n        \u003ctd\u003e20 micron (nominal)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eFilter Media\u003c\/td\u003e\n        \u003ctd\u003eResin-impregnated pleated cellulose\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCore \u0026amp; End Caps\u003c\/td\u003e\n        \u003ctd\u003ePolypropylene core, vinyl plastisol caps\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTemperature Rating\u003c\/td\u003e\n        \u003ctd\u003e40°F to 145°F (4.4°C to 62.8°C)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003ePressure Drop\u003c\/td\u003e\n        \u003ctd\u003e2.4 psi @ 10 GPM\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOuter Netting\u003c\/td\u003e\n        \u003ctd\u003ePolyethylene, sonic-welded seam\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eINSTALLATION \u0026amp; USE\u003c\/div\u003e\n    \u003ch2 class=\"ro-title\"\u003eInstalling Your Pentek S1 Filter\u003c\/h2\u003e\n    \u003col class=\"install-steps\"\u003e\n      \u003cli\u003eShut off water supply and relieve system pressure by opening a downstream faucet before removing the filter housing sump.\u003c\/li\u003e\n      \u003cli\u003eRemove the old cartridge and clean the housing interior with a mild bleach solution, rinsing thoroughly to remove any sediment buildup.\u003c\/li\u003e\n      \u003cli\u003eInsert the Pentek S1 filter into the housing, ensuring the cartridge seats properly on the center standpipe and against the housing cap.\u003c\/li\u003e\n      \u003cli\u003eLubricate the housing o-ring with food-grade silicone grease, hand-tighten the sump, and slowly turn water back on to check for leaks.\u003c\/li\u003e\n      \u003cli\u003eFlush the system for 3-5 minutes to purge air and any loose cellulose fibers from the new cartridge before normal use.\u003c\/li\u003e\n    \u003c\/ol\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n    \u003ch2 class=\"ro-title\"\u003eWhere the S1 Fits\u003c\/h2\u003e\n    \u003cp\u003eThis 10\" x 2.5\" filter fits all standard 10-inch filter housings with 2.5-inch diameter capacity, including Pentek, Hydronix, and most major brands. It works as a sediment pre-filter for reverse osmosis systems, whole-house filtration setups, and light commercial applications where dirt, rust, and particulate reduction down to 20 microns is required. The pleated design offers greater surface area and longer service life compared to spun or wound sediment cartridges of the same micron rating.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"pro-tip\"\u003e\n    🔧 \u003cstrong\u003ePro Tip:\u003c\/strong\u003e The cellulose media in the S1 is not chlorine-resistant for extended periods. If you're on chlorinated municipal water, consider rotating filters every 3-6 months or pairing with a carbon block downstream to extend system life and protect sensitive equipment like RO membranes.\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Single","offer_id":45408123650219,"sku":"155001-43","price":9.21,"currency_code":"USD","in_stock":true},{"title":"Two Pack","offer_id":45408123682987,"sku":"2x 155001-43","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-s1-10-x-25-pleated-cellulose-sediment-20-micron-filter-248185.jpg?v=1762459425"},{"product_id":"pentek-155319-03-9-75x2-5-ws-10-water-softening-resin-filter","title":"Pentek - WS-10 - 10\" x 2.5\" Water Softening Resin Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" 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var(--radius);overflow:hidden;}\n  .ro-wrap .benefit-item{flex:1 1 200px;padding:24px 22px;border-right:1px solid rgba(255,255,255,.1);}\n  .ro-wrap .benefit-item:last-child{border-right:none;}\n  .ro-wrap .bi-icon{font-size:22px !important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\nThe Pentek WS-10 is a 10\" x 2.5\" cation exchange water softening cartridge that reduces scale and hardness at the point of use, with a 750 grain capacity rated up to 12,800 PPM total dissolved solids. This sodium-form resin filter fits standard 10-inch housings and delivers softened water where you need it most, without the bulk of a full-size softener system.\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eWS-10 Performance Data\u003c\/h2\u003e\n\u003cdiv class=\"spec-cards\"\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eGrain Capacity\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e750 GPG\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eAs CaCO3\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eTotal TDS Rating\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e12,800 PPM\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eMaximum capacity\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eFlow Rate\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e0.50 GPM\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eRecommended max\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eDimensions\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e2.625\" × 9.75\"\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eFits standard 10\" housing\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eTemperature Range\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e40°F – 100°F\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eOperating limits\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eResin Type\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003eSodium Form\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eCation exchange\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eTECHNICAL DETAILS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eConstruction \u0026amp; Materials\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Media\u003c\/td\u003e\n\u003ctd\u003eStandard sodium-form cation softener resin beads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShell Material\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Caps\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePre-filter \u0026amp; Post-filter\u003c\/td\u003e\n\u003ctd\u003ePolypropylene media retention layers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGaskets\u003c\/td\u003e\n\u003ctd\u003eBuna-N (Nitrile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eWS-10 (Pentek 155319-03)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Compatibility\u003c\/td\u003e\n\u003ctd\u003eStandard 10-inch cartridge housings with 2.5\" diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eWhere to Use the Pentek WS-10\u003c\/h2\u003e\n\u003cp\u003eThe WS-10 is designed for point-of-use water softening applications where space is limited or whole-house softening isn't practical. It's ideal for protecting single appliances like tankless water heaters, coffee machines, ice makers, steam ovens, or humidifiers from scale buildup. Install in any standard 10-inch filter housing rated for the appropriate pressure and flow. This cartridge works best in low-flow applications with moderate hardness levels. For homes with very hard water or high-volume demands, consider a traditional tank-style softener. The WS-10 is not rechargeable and must be replaced once capacity is exhausted.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pro-tip\"\u003e\n💧 \u003cstrong\u003ePro tip:\u003c\/strong\u003e Track your water hardness in grains per gallon and estimate cartridge life before installation. At 10 GPG hardness and 0.5 GPM usage, the WS-10 will treat approximately 75 gallons before needing replacement. Pair with a sediment pre-filter to protect the resin bed from particulates.\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Default Title","offer_id":35470101840034,"sku":"155319-03","price":41.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-ws-10-10-x-25-water-softening-resin-filter-324161.jpg?v=1759500167"},{"product_id":"pentek-cbc-20bb-20-x-4-5-big-blue-carbon-block-filter-0-5-micron","title":"Pentek - CBC-20BB - 20\" x 4.5\" Big Blue Carbon Block Filter 0.5 Micron","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    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.spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003ePentek Premium Filtration\u003c\/div\u003e\n\u003ch2\u003e\n\u003cem\u003eCBC-20BB\u003c\/em\u003e 20\" x 4.5\" Big Blue Carbon Block Filter\u003c\/h2\u003e\n\u003cdiv class=\"ro-tagline\"\u003eWhole-house carbon block filtration engineered for superior taste, odor, and chlorine reduction down to 0.5 microns\u003c\/div\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ 0.5 Micron Carbon Block\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ 150,000 Gallon Capacity\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Cyst Reduction Certified\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ FDA Compliant Materials\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eThe Pentek CBC-20BB uses bonded powdered activated carbon (PAC) in a solid block structure to reduce chlorine taste and odor while filtering sediment and cysts down to \u003cstrong\u003e0.5 microns\u003c\/strong\u003e. Rated for \u003cstrong\u003e150,000 gallons\u003c\/strong\u003e at \u003cstrong\u003e4 GPM\u003c\/strong\u003e, this 20\" x 4.5\" cartridge fits standard Big Blue housings and handles whole-house flow rates without excessive pressure drop. Manufactured entirely from FDA-compliant materials using a patented process that ensures consistent performance across residential, commercial, and food service applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eKEY FEATURES\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eWhy the CBC-20BB Outperforms Standard Carbon Filters\u003c\/h3\u003e\n\u003cdiv class=\"ro-feature-grid\"\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🦠\u003c\/span\u003e\n\u003ch3\u003eCyst Reduction\u003c\/h3\u003e\n\u003cp\u003eReduces Giardia, Cryptosporidium, Entamoeba, and Toxoplasma cysts along with fine sediment particles down to 0.5 microns\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e💧\u003c\/span\u003e\n\u003ch3\u003eBonded PAC Structure\u003c\/h3\u003e\n\u003cp\u003ePatented carbon block construction provides consistent filtration and superior chlorine reduction compared to granular carbon\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🏠\u003c\/span\u003e\n\u003ch3\u003eHigh Flow Capacity\u003c\/h3\u003e\n\u003cp\u003eHandles up to 4 GPM with only 8.5 psi pressure drop, suitable for whole-house and commercial installations\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🔧\u003c\/span\u003e\n\u003ch3\u003eBig Blue Compatible\u003c\/h3\u003e\n\u003cp\u003eFits all standard 20\" x 4.5\" Big Blue housings with polystyrene end caps and polyethylene netting for durability\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🌡️\u003c\/span\u003e\n\u003ch3\u003eWide Temp Range\u003c\/h3\u003e\n\u003cp\u003eOperates reliably from 40°F to 180°F, suitable for both cold and warm water applications\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e✓\u003c\/span\u003e\n\u003ch3\u003eFDA Compliant\u003c\/h3\u003e\n\u003cp\u003eAll materials meet FDA requirements for potable water contact, safe for drinking water and food service use\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eWhere This Filter Works\u003c\/h3\u003e\n\u003cp\u003eThe Pentek CBC-20BB (also known as part number 155312-43) is designed for 20-inch Big Blue filter housings with 4.5-inch diameter capacity. It works as a primary whole-house carbon filter, a polishing filter after sediment pre-filtration, or a pre-filter before reverse osmosis membranes and other fine filtration stages. Common applications include residential well water systems, municipal chlorine removal, commercial food service equipment protection, and industrial process water treatment. Compatible with Pentek, US Filter Works, Hydronix, and other manufacturers' 20\" x 4.5\" Big Blue housing systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003ePentek has been manufacturing water filtration components for over 40 years, and the CBC series remains the standard for carbon block reliability in whole-house applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Single","offer_id":37727261130923,"sku":"155312-43","price":179.0,"currency_code":"USD","in_stock":true},{"title":"Two Pack","offer_id":37727261163691,"sku":"(2) 155312-43","price":349.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-cbc-20bb-20-x-45-big-blue-carbon-block-filter-05-micron-673802.jpg?v=1762459428"},{"product_id":"pentek-ecp5-20bb-20-x-4-5-pleated-cellulose-sediment-5-micron-filter","title":"Pentek - ECP5-20BB - 20\" x 4.5\" Pleated Cellulose Sediment 5 Micron Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM Sans',sans-serif;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-wrap:break-word;word-break:break-word;min-width:0;\n  }\n  .ro-wrap .ro-hero{background:linear-gradient(135deg,var(--deep) 0%,var(--ocean) 50%,#1a5276 100%);color:var(--white);padding:52px 40px 44px;position:relative;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;}\n  .ro-wrap .ro-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 55% at 95% 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!important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003ePentek Premium Filtration\u003c\/div\u003e\n\u003ch2\u003e\n\u003cem\u003eECP5-20BB\u003c\/em\u003e 20\" x 4.5\" Pleated Cellulose Sediment Filter\u003c\/h2\u003e\n\u003cdiv class=\"ro-tagline\"\u003eHigh-capacity 5 micron pleated sediment filtration for whole house, well, and commercial applications\u003c\/div\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ 36 sq ft media surface area\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Resin-impregnated cellulose\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Color-coded white end caps\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Low pressure drop design\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eThe Pentek ECP5-20BB combines resin-impregnated cellulose and polyester fibers into a \u003cstrong\u003e36 square foot\u003c\/strong\u003e pleated cartridge designed for Big Blue 20\" housings. Built for high flow rates and extended service life, this \u003cstrong\u003e5 micron nominal\u003c\/strong\u003e filter delivers exceptional dirt-holding capacity while maintaining minimal pressure drop across whole house and commercial systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eTECHNICAL SPECIFICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eFilter Construction \u0026amp; Performance\u003c\/h3\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e20\" x 4.5\"\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicron Rating\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e5 micron (nominal)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia Surface Area\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e36 sq ft\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Drop\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1 psi @ 10 GPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia Composition\u003c\/td\u003e\n\u003ctd\u003eResin-impregnated cellulose \u0026amp; polyester fibers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Material\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Cap Material\u003c\/td\u003e\n\u003ctd\u003eVinyl plastisol (white color-coded)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e40°F to 125°F (4.4°C to 51.7°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Compatibility\u003c\/td\u003e\n\u003ctd\u003e20\" x 4.5\" Big Blue housings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eWHY ECP SERIES\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eEngineered for Demanding Applications\u003c\/h3\u003e\n\u003cdiv class=\"ro-feature-grid\"\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e💪\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eSuperior Wet Strength\u003c\/h3\u003e\n\u003cp\u003eResin-impregnated formulation delivers higher structural integrity than standard cellulose filters, preventing media breakdown under pressure\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e📐\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eUnified End Cap Design\u003c\/h3\u003e\n\u003cp\u003ePleats immersed in thermo-setting vinyl plastisol fuse the core, media, and gasket into a single integrated structure that prevents bypass\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e🔄\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eHigh Dirt Capacity\u003c\/h3\u003e\n\u003cp\u003e36 square feet of pleated media captures more sediment between changeouts, extending service intervals and reducing maintenance costs\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e⚡\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eLow Pressure Drop\u003c\/h3\u003e\n\u003cp\u003eMaintains just 1 psi drop at 10 GPM flow rate, preserving system pressure and pump efficiency across whole house installations\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e🎨\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eColor-Coded System\u003c\/h3\u003e\n\u003cp\u003eWhite end caps identify 5 micron rating at a glance, simplifying filter identification during maintenance and replacement cycles\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e🏗️\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eCommercial Grade\u003c\/h3\u003e\n\u003cp\u003eBuilt for high-demand applications including well systems, commercial facilities, and point-of-entry whole house filtration\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eSystem Integration\u003c\/h3\u003e\n\u003cp\u003eThe Pentek ECP5-20BB (model 255494-43) fits all standard 20\" x 4.5\" Big Blue filter housings. Designed for whole house sediment filtration, well water pretreatment, and commercial applications requiring high flow capacity. Ideal as a prefilter stage ahead of carbon blocks, reverse osmosis systems, or UV sterilizers. Compatible with Pentek, Culligan, GE, and other manufacturers' 20-inch Big Blue housings. Recommended for municipal and well water sources with moderate to heavy sediment loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003ePentek ECP Series filters are manufactured in the USA to NSF\/ANSI standards, trusted by water treatment professionals for over four decades.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Default Title","offer_id":35470102528162,"sku":"255494-43","price":54.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-ecp5-20bb-20-x-45-pleated-cellulose-sediment-5-micron-filter-876505.jpg?v=1759500167"},{"product_id":"pentek-ep-20bb-20-x-4-5-carbon-briquette-5-micron-filter","title":"Pentek - EP-20BB - 20\" x 4.5\" Carbon-Briquette 5 Micron Filter","description":"\n\u003clink 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!important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\nThe Pentek EP-20BB is a 20\" x 4.5\" carbon-briquette cartridge that combines the deep reduction power of activated carbon with a nominal 5-micron sediment rating and an Endurawrap pre-filter for extended service life. Rated for 40,000 gallons and designed for whole-house, commercial, and well water systems, it delivers reliable chlorine, taste, and odor removal without sacrificing flow or capacity.\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003ePentek EP-20BB Filter Specs\u003c\/h2\u003e\n\u003cdiv class=\"spec-cards\"\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eDimensions\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e20\" x 4.5\"\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eFits Big Blue housings\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eFiltration Rating\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e5 Micron\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eNominal rating\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eFilter Life\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e40,000 Gal\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eBased on mfr testing\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eFlow Rate\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e5 GPM\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003e5.5 psi pressure drop\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eMedia Type\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003eCarbon Block\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eBonded PAC construction\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eTemperature Range\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e40°F – 180°F\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eFDA compliant materials\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eTECHNICAL DETAILS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eConstruction \u0026amp; Materials\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Media\u003c\/td\u003e\n\u003ctd\u003eBonded Powdered Activated Carbon (PAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePre-Filter Wrap\u003c\/td\u003e\n\u003ctd\u003eEndurawrap polyolefin bilaminate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Caps\u003c\/td\u003e\n\u003ctd\u003ePolystyrene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetting\u003c\/td\u003e\n\u003ctd\u003ePolyethylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner\/Outer Wrap\u003c\/td\u003e\n\u003ctd\u003ePolyolefin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eFDA compliant materials\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eEP-20BB (Pentek 155583-43)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eWhere This Filter Works\u003c\/h2\u003e\n\u003cp\u003eThe Pentek EP-20BB is designed for 20-inch Big Blue filter housings and is ideal for whole-house filtration, commercial food service, well water treatment, and any application requiring both sediment reduction and chlorine removal. The Endurawrap pre-filter traps sediment before it can plug the carbon block, making this cartridge especially effective in higher-sediment environments where standard carbon blocks fail prematurely. Use it in residential point-of-entry systems, restaurant ice machines, beverage dispensers, or light industrial settings where taste, odor, and chlorine reduction are priorities alongside dirt-holding capacity.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pro-tip\"\u003e\n💧 The EP-20BB's high-porosity design prevents premature plugging, so you actually use the carbon's full adsorption capacity instead of replacing a clogged cartridge with chlorine reduction left on the table.\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Single","offer_id":37752295719083,"sku":"155583-43","price":121.82,"currency_code":"USD","in_stock":true},{"title":"Two Pack","offer_id":42774645637291,"sku":"(2) 155583-43","price":220.0,"currency_code":"USD","in_stock":true},{"title":"Three Pack","offer_id":43080098185387,"sku":"(3) 155583-43","price":300.0,"currency_code":"USD","in_stock":true},{"title":"Four Pack","offer_id":37752295817387,"sku":"(4) 155583-43","price":410.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-ep-20bb-20-x-45-carbon-briquette-5-micron-filter-350412.jpg?v=1762459430"},{"product_id":"pentek-epm-20bb-20-x-4-5-modified-epsilon-carbon-briquette-10-micron-filter","title":"Pentek - EPM-20BB - 20\" x 4.5\" Modified Epsilon Carbon-Briquette 10 Micron Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM Sans',sans-serif;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-wrap:break-word;word-break:break-word;min-width:0;\n  }\n  .ro-wrap .ro-hero{background:linear-gradient(135deg,var(--deep) 0%,var(--ocean) 50%,#1a5276 100%);color:var(--white);padding:52px 40px 44px;position:relative;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;}\n  .ro-wrap .ro-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 55% at 95% 45%,rgba(77,208,225,.15) 0%,transparent 65%),radial-gradient(ellipse 40% 40% at 5% 80%,rgba(255,255,255,.05) 0%,transparent 60%);pointer-events:none;}\n  .ro-wrap .ro-eyebrow{font-size:13px !important;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--aqua);margin-bottom:12px;}\n  .ro-wrap .ro-hero h2{font-family:'DM Serif Display',serif;font-size:clamp(26px,4vw,40px) !important;line-height:1.15;font-weight:400;margin-bottom:16px;color:var(--white);}\n  .ro-wrap .ro-hero h2 em{font-style:italic;color:var(--aqua);}\n  .ro-wrap .ro-tagline{font-size:18px !important;color:rgba(255,255,255,.75);font-weight:300;margin-bottom:28px;}\n  .ro-wrap .ro-badges{display:flex;flex-wrap:wrap;gap:10px;}\n  .ro-wrap .ro-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:var(--white);font-size:15px !important;font-weight:500;padding:6px 14px;border-radius:40px;backdrop-filter:blur(6px);}\n  .ro-wrap .ro-callout{background:var(--offwhite);border-left:4px solid var(--sky);padding:20px 24px;}\n  .ro-wrap .ro-callout p{font-size:18px !important;color:var(--text);line-height:1.7;margin:0;}\n  .ro-wrap .ro-callout strong{color:var(--ocean);}\n  .ro-wrap .ro-section{padding:36px 40px;border-bottom:1px solid var(--slate);}\n  .ro-wrap .ro-label{font-size:13px !important;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--sky);margin-bottom:8px;}\n  .ro-wrap .ro-title{font-family:'DM 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.ro-wrap .ro-feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(220px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .ro-feature-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:20px 18px;}\n  .ro-wrap .ro-feat-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--ocean),var(--sky));border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;}\n  .ro-wrap .ro-feature-card h3{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .ro-feature-card p{font-size:18px !important;color:var(--muted);line-height:1.55;margin:0;}\n  .ro-wrap .pro-tip{display:block;background:#fffbeb;border:1px solid #f5d87a;border-radius:var(--radius);padding:18px 20px;margin-top:20px;box-sizing:border-box;width:100% !important;}\n  .ro-wrap .pro-tip-icon{font-size:22px !important;display:inline;margin-right:8px;line-height:1.6 !important;}\n  .ro-wrap .pro-tip p{font-size:18px !important;color:#5a4500;line-height:1.6 !important;margin:0;display:block;width:100%;}\n  .ro-wrap .pro-tip strong{color:#3d2e00;}\n  .ro-wrap .install-steps{counter-reset:step;list-style:none;padding:0;margin:4px 0 0;display:flex;flex-direction:column;gap:14px;}\n  .ro-wrap .install-steps li{counter-increment:step;display:flex;align-items:flex-start;gap:14px;font-size:18px !important;color:var(--text);}\n  .ro-wrap .install-steps li::before{content:counter(step);display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--ocean);color:white;font-size:15px !important;font-weight:700;flex-shrink:0;margin-top:1px;}\n  .ro-wrap .filter-schedule{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .schedule-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .schedule-card .interval{font-size:22px !important;font-family:'DM Serif Display',serif;color:var(--sky);font-weight:400;margin-bottom:4px;}\n  .ro-wrap .schedule-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .schedule-card p{font-size:15px !important;color:var(--muted);margin:0;line-height:1.45;}\n  .ro-wrap .benefits-strip{display:flex;flex-wrap:wrap;background:var(--deep);color:var(--white);border-radius:0 0 var(--radius) var(--radius);overflow:hidden;}\n  .ro-wrap .benefit-item{flex:1 1 200px;padding:24px 22px;border-right:1px solid rgba(255,255,255,.1);}\n  .ro-wrap .benefit-item:last-child{border-right:none;}\n  .ro-wrap .bi-icon{font-size:22px !important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\nThe Pentek EPM-20BB delivers economical whole-house filtration with modified epsilon carbon-briquette technology that balances sediment removal, chlorine reduction, and high flow capacity in a 20\" x 4.5\" cartridge. Endurawrap polyolefin pre-filter protection extends service life by trapping sediment before it clogs the carbon block, maximizing the full 30,000-gallon capacity.\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003ePentek EPM-20BB Technical Details\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eEPM-20BB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e20\" x 4.5\" (4-5\/8\" OD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltration Rating\u003c\/td\u003e\n\u003ctd\u003e10 Micron Nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Media\u003c\/td\u003e\n\u003ctd\u003eBonded PAC Carbon Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e30,000 Gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Drop\u003c\/td\u003e\n\u003ctd\u003e4.0 psi @ 4 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e40°F to 180°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Caps \/ Wrap\u003c\/td\u003e\n\u003ctd\u003ePolystyrene \/ Polyolefin Endurawrap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eINSTALLATION \u0026amp; USE\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eInstalling Your EPM-20BB Filter\u003c\/h2\u003e\n\u003col class=\"install-steps\"\u003e\n\u003cli\u003eShut off water supply and relieve pressure from your 20\" Big Blue housing by opening a downstream faucet\u003c\/li\u003e\n\u003cli\u003eUnscrew housing sump, remove old cartridge, and clean sump interior with mild soap and water\u003c\/li\u003e\n\u003cli\u003eInsert the EPM-20BB cartridge into the housing with the Endurawrap side facing outward, ensuring proper seal with the housing cap\u003c\/li\u003e\n\u003cli\u003eReinstall sump hand-tight, turn water supply back on slowly, and check for leaks around the housing o-ring\u003c\/li\u003e\n\u003cli\u003eFlush the new cartridge for 5 minutes to remove any carbon fines and activate the media\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eHousing \u0026amp; Application Fit\u003c\/h2\u003e\n\u003cp\u003eThe Pentek EPM-20BB fits all standard 20-inch Big Blue filter housings with 4.5\" diameter capacity, including Pentek, Culligan, and most major brands. This cartridge is designed for whole-house, well water, and commercial applications where economical chlorine taste and odor reduction is needed alongside sediment filtration. The high-porosity carbon block construction maintains flow rates suitable for residential and light commercial installations while the Endurawrap pre-filter extends service life in moderate to heavy sediment conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pro-tip\"\u003e\n🔧 \u003cstrong\u003ePro Tip:\u003c\/strong\u003e Mark your calendar when you install the EPM-20BB. Even if pressure remains normal, replace at 30,000 gallons or 12 months to prevent channeling and ensure consistent chlorine reduction throughout the cartridge's service life.\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Single","offer_id":37752317313195,"sku":"155783-43","price":114.84,"currency_code":"USD","in_stock":true},{"title":"Two Pack","offer_id":42680361484459,"sku":"(2) 155783-43","price":205.0,"currency_code":"USD","in_stock":true},{"title":"Three Pack","offer_id":42681781813419,"sku":"(3) 155783-43","price":299.99,"currency_code":"USD","in_stock":true},{"title":"Four Pack","offer_id":37752317411499,"sku":"(4) 155783-43","price":397.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/product-5536595673250-padded.jpg?v=1777268065"},{"product_id":"pentek-gac-20bb-20-x-4-5-granular-activated-carbon-filter","title":"Pentek - GAC-20BB - 20\" x 4.5\" Granular Activated Carbon Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM Sans',sans-serif;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-wrap:break-word;word-break:break-word;min-width:0;\n  }\n  .ro-wrap .ro-hero{background:linear-gradient(135deg,var(--deep) 0%,var(--ocean) 50%,#1a5276 100%);color:var(--white);padding:52px 40px 44px;position:relative;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;}\n  .ro-wrap .ro-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 55% at 95% 45%,rgba(77,208,225,.15) 0%,transparent 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.benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003ePentek Professional Series\u003c\/div\u003e\n\u003ch2\u003e\n\u003cem\u003eGAC-20BB\u003c\/em\u003e 20\" x 4.5\" Granular Activated Carbon Filter\u003c\/h2\u003e\n\u003cp class=\"ro-tagline\"\u003eHigh-capacity carbon filtration for whole house, commercial, and well water systems requiring chlorine, taste, and odor reduction with minimal pressure drop\u003c\/p\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ 25,000 gallon capacity\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ 20-micron post-filter\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ 4 GPM flow rate\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Anti-channeling design\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eThe Pentek GAC-20BB uses a full-length granular activated carbon bed with forced-contact flow path to maximize chlorine removal and reduce taste and odor throughout the entire \u003cstrong\u003e25,000 gallon\u003c\/strong\u003e service life. A permanently fastened \u003cstrong\u003e20-micron spun polypropylene post-filter\u003c\/strong\u003e captures carbon fines before water exits the cartridge, while an internal expansion pad prevents channeling and media bypass. Rated for \u003cstrong\u003e4 GPM at 5 psi\u003c\/strong\u003e pressure drop, this filter fits standard 20\" x 4.5\" Big Blue housings.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eKEY FEATURES\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eEngineered for Maximum Carbon Contact\u003c\/h3\u003e\n\u003cdiv class=\"ro-feature-grid\"\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🔄\u003c\/span\u003e\n\u003ch3\u003eFull-Length Flow Path\u003c\/h3\u003e\n\u003cp\u003eWater enters one end and travels through the entire carbon bed before exiting, ensuring maximum contact time and adsorption efficiency\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🛡️\u003c\/span\u003e\n\u003ch3\u003e20-Micron Post-Filter\u003c\/h3\u003e\n\u003cp\u003eSpun polypropylene filter permanently fastened to support basket captures carbon fines and suspended particles before discharge\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e⚡\u003c\/span\u003e\n\u003ch3\u003eAnti-Channeling Design\u003c\/h3\u003e\n\u003cp\u003eInternal expansion pad minimizes media migration and water bypass, maintaining consistent filtration throughout the cartridge life\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e💧\u003c\/span\u003e\n\u003ch3\u003eHigh Flow Performance\u003c\/h3\u003e\n\u003cp\u003eDelivers 4 GPM with only 5 psi pressure drop, suitable for residential whole house and light commercial applications\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🌡️\u003c\/span\u003e\n\u003ch3\u003eWide Temperature Range\u003c\/h3\u003e\n\u003cp\u003eRated for 40°F to 125°F operation with polystyrene end caps, Buna-N and Santoprene gaskets for secure sealing\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🎯\u003c\/span\u003e\n\u003ch3\u003eGeneral Purpose Filtration\u003c\/h3\u003e\n\u003cp\u003eEffectively reduces chlorine taste and odor, unpleasant tastes, and organic contaminants for improved drinking water quality\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eTechnical Details\u003c\/h3\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eGAC-20BB (Pentek 155249-43)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e20\" x 4.625\" (4-5\/8\")\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Media\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eGranular Activated Carbon (GAC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePost-Filter Micron\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e20 micron\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Rate\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4 GPM at 5 psi pressure drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e25,000 gallons at 4 GPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Rating\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e40°F to 125°F\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Cap Material\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePolystyrene\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGasket Type\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eBuna-N (top), Santoprene (bottom)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Compatibility\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e20\" x 4.5\" Big Blue housings\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eSystem Fit and Use Cases\u003c\/h3\u003e\n\u003cp\u003eThe Pentek GAC-20BB fits all standard 20-inch x 4.5-inch Big Blue filter housings. Ideal for whole house water filtration systems, point-of-entry well water treatment, commercial applications requiring chlorine reduction, and any installation where taste, odor, and chlorine removal is needed at flow rates up to 4 GPM. Replace every 25,000 gallons or when taste and odor breakthrough occurs. Compatible with Pentek, Pentair, and other manufacturers' 20\" Big Blue housings using standard gasket seals.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003ePentek has manufactured reliable water filtration cartridges for residential, commercial, and industrial applications for decades. The GAC-20BB is made in the USA with quality materials and consistent performance standards.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Single","offer_id":42693411930283,"sku":"155249-43","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Two Pack","offer_id":42693411963051,"sku":"2x 155249-44","price":198.0,"currency_code":"USD","in_stock":true},{"title":"Three Pack","offer_id":42797454557355,"sku":"3x 155249-44","price":275.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-gac-20bb-20-x-45-granular-activated-carbon-filter-962494.jpg?v=1762459430"},{"product_id":"pentek-ncp-20bb-20-x-4-5-pleated-carbon-impregnated-polypropylene-10-micron-filter","title":"Pentek - NCP-20BB - 20\" x 4.5\" Pleated Carbon-Impregnated Polypropylene 10 Micron Filter","description":"\n\u003clink 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.ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003ePentek Professional Grade Filtration\u003c\/div\u003e\n\u003ch2\u003e20\" x 4.5\" Pleated Carbon-Impregnated \u003cem\u003eNCP-20BB\u003c\/em\u003e 10 Micron Filter\u003c\/h2\u003e\n\u003cp class=\"ro-tagline\"\u003eDual-action sediment and carbon filtration in a single pleated cartridge engineered for whole-house, well water, and commercial applications\u003c\/p\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e10 Micron Nominal\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e20\" x 4.5\" Big Blue\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e1000 Gallon Capacity\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eWHY IT WORKS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eCarbon-impregnated pleats deliver sediment filtration and chlorine reduction without bacterial growth\u003c\/h3\u003e\n\u003cdiv class=\"ro-feature-grid\"\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e🧬\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eCarbon-Impregnated Polyester\u003c\/h3\u003e\n\u003cp\u003eNon-cellulose media resists bacterial attack, making the NCP-20BB ideal for both chlorinated municipal water and non-chlorinated well systems where cellulose filters fail\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e📐\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eHigh Surface Area Pleating\u003c\/h3\u003e\n\u003cp\u003ePleated construction increases dirt-loading capacity and extends service life while maintaining minimal pressure drop across the filter, even at 10 GPM flow rates\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e💧\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eDual-Action Filtration\u003c\/h3\u003e\n\u003cp\u003eCaptures sediment down to 10 microns while simultaneously reducing chlorine taste and odor, eliminating the need for separate sediment and carbon stages in many installations\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e🔄\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003ePost-RO and Polishing\u003c\/h3\u003e\n\u003cp\u003eExcels as a polishing filter for reverse osmosis systems, closed loop streams, and well water applications where fine sediment and taste issues persist after primary treatment\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003ePentek NCP-20BB Technical Details\u003c\/h3\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eModel Number\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eNCP-20BB (Pentek 155382-43)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eDimensions\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e20 inches x 4.5 inches outer diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eMicron Rating\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e10 micron nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eFilter Media\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003ePleated carbon-impregnated polyester\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eEnd Caps\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eVinyl plastisol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eCore Material\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eNetting\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003ePolyethylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eTemperature Range\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e40°F to 145°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003ePressure Drop\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e1 psi at 10 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eFilter Capacity\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eApproximately 1000 gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eDesigned for 20\" Big Blue Filter Housings\u003c\/h3\u003e\n\u003cp\u003eThe Pentek NCP-20BB fits all standard 20-inch x 4.5-inch Big Blue filter housings. Compatible with Pentek, American Plumber, Culligan, DuPont, GE, Omni, US Filter, and other brands using the 20\" Big Blue sump configuration. Verify your housing accepts 4.5-inch outer diameter cartridges before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eMAINTENANCE\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eReplacement Schedule for NCP-20BB Filters\u003c\/h3\u003e\n\u003cdiv class=\"filter-schedule\"\u003e\n\u003cdiv class=\"schedule-card\"\u003e\n\u003cdiv class=\"interval\"\u003eEvery 3-6 Months\u003c\/div\u003e\n\u003ch4\u003eWhole-House Municipal Water\u003c\/h4\u003e\n\u003cp\u003eReplace when pressure drops noticeably or at 6-month intervals for household water with moderate sediment and chlorine levels\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"schedule-card\"\u003e\n\u003cdiv class=\"interval\"\u003eEvery 2-4 Months\u003c\/div\u003e\n\u003ch4\u003eWell Water Applications\u003c\/h4\u003e\n\u003cp\u003eMore frequent replacement required for well water with higher sediment loads or iron staining, typically every 2-3 months depending on usage\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"schedule-card\"\u003e\n\u003cdiv class=\"interval\"\u003eEvery 6-12 Months\u003c\/div\u003e\n\u003ch4\u003ePost-RO Polishing\u003c\/h4\u003e\n\u003cp\u003eExtended service life when used as a final polishing stage after reverse osmosis, typically 6-12 months or after 1000 gallons processed\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"schedule-card\"\u003e\n\u003cdiv class=\"interval\"\u003eMonitor Pressure\u003c\/div\u003e\n\u003ch4\u003eCommercial Installations\u003c\/h4\u003e\n\u003cp\u003eInstall differential pressure gauge and replace when pressure drop exceeds 10-15 psi or flow rate decreases below operational requirements\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"benefits-strip\"\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e🛡️\u003c\/div\u003e\n\u003ch4\u003eBacteria Resistant\u003c\/h4\u003e\n\u003cp\u003eNon-cellulose construction prevents bacterial colonization in non-chlorinated water\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e⚡\u003c\/div\u003e\n\u003ch4\u003eLow Pressure Drop\u003c\/h4\u003e\n\u003cp\u003eMaintains 1 psi drop at 10 GPM for consistent flow throughout service life\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e🎯\u003c\/div\u003e\n\u003ch4\u003eDual Reduction\u003c\/h4\u003e\n\u003cp\u003eRemoves sediment and reduces chlorine taste and odor in one cartridge\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e🏭\u003c\/div\u003e\n\u003ch4\u003eCommercial Grade\u003c\/h4\u003e\n\u003cp\u003ePentek quality engineering for demanding whole-house and commercial applications\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Single","offer_id":37767575175339,"sku":"155382-43","price":95.0,"currency_code":"USD","in_stock":true},{"title":"Two Pack","offer_id":42666675208363,"sku":"(2) 155382-43","price":179.0,"currency_code":"USD","in_stock":true},{"title":"Six Pack (Full Case)","offer_id":37767575208107,"sku":"(6) 155382-43","price":479.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-ncp-20bb-20-x-45-pleated-carbon-impregnated-polypropylene-10-micron-filter-786929.jpg?v=1759500168"},{"product_id":"pentek-rfc20-bb-20-x-4-5-radial-flow-carbon-25-micron-filter","title":"Pentek - RFC20-BB - 20\" x 4.5\" Radial Flow Carbon 25 Micron Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" 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!important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap 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.ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n  \u003cdiv class=\"ro-callout\"\u003e\n    The Pentek RFC20-BB is a 20\" x 4.5\" radial flow carbon filter engineered to deliver high-capacity chlorine and taste removal with minimal pressure drop and virtually no carbon fines release. With a 70,000-gallon capacity and 25-micron filtration, this GAC cartridge is built for whole-house, well, and commercial applications where flow rate and water quality both matter.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n    \u003ch2 class=\"ro-title\"\u003ePentek RFC20-BB Technical Details\u003c\/h2\u003e\n    \u003ctable class=\"specs-table\"\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eModel Number\u003c\/td\u003e\n        \u003ctd\u003eRFC20-BB (155247-43)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eDimensions\u003c\/td\u003e\n        \u003ctd\u003e20\" x 4.5\" (4-5\/8\" OD x 20\" length)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMicron Rating\u003c\/td\u003e\n        \u003ctd\u003e25 micron\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eFilter Media\u003c\/td\u003e\n        \u003ctd\u003eGranular Activated Carbon (GAC)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eFilter Capacity\u003c\/td\u003e\n        \u003ctd\u003e70,000 gallons\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003ePressure Drop\u003c\/td\u003e\n        \u003ctd\u003e0.9 psi @ 4 GPM\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTemperature Range\u003c\/td\u003e\n        \u003ctd\u003e40°F to 180°F\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eConstruction\u003c\/td\u003e\n        \u003ctd\u003e70-micron polyethylene shell, polypropylene core and end caps\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eINSTALLATION \u0026amp; USE\u003c\/div\u003e\n    \u003ch2 class=\"ro-title\"\u003eHow to Install the RFC20-BB Filter\u003c\/h2\u003e\n    \u003col class=\"install-steps\"\u003e\n      \u003cli\u003eShut off water supply and relieve pressure from the filter housing by opening the pressure relief valve.\u003c\/li\u003e\n      \u003cli\u003eUnscrew the 20\" Big Blue housing sump, remove the old filter, and clean the housing interior and o-ring groove.\u003c\/li\u003e\n      \u003cli\u003eInsert the RFC20-BB filter vertically into the housing, ensuring the open end faces up and the filter seats properly on the standpipe.\u003c\/li\u003e\n      \u003cli\u003eApply a thin layer of food-grade silicone grease to the o-ring, reseat the housing sump, and hand-tighten firmly.\u003c\/li\u003e\n      \u003cli\u003eSlowly turn on water supply, check for leaks, and flush the filter for 3-5 minutes to purge air and prime the carbon bed.\u003c\/li\u003e\n    \u003c\/ol\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n    \u003ch2 class=\"ro-title\"\u003eHousing \u0026amp; Application Fit\u003c\/h2\u003e\n    \u003cp\u003eThe Pentek RFC20-BB is designed for use in standard 20\" x 4.5\" Big Blue filter housings from Pentek, Culligan, Aqua-Pure, and other manufacturers with compatible dimensions. This filter is ideal for whole-house water treatment, well water systems, and commercial applications requiring high flow rates with effective chlorine, taste, and odor reduction. The radial flow design minimizes carbon fines and pressure drop, making it a reliable choice for point-of-entry installations where sediment pre-filtration is already in place.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"pro-tip\"\u003e\n    🔧 \u003cstrong\u003ePro Tip:\u003c\/strong\u003e Always install a 5-20 micron sediment pre-filter upstream of the RFC20-BB to extend the carbon filter's life and prevent premature clogging from particulate matter. This setup maximizes the GAC's chemical adsorption capacity and ensures consistent flow rates throughout the 70,000-gallon service life.\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Default Title","offer_id":35470103478434,"sku":"155247-43","price":160.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-rfc20-bb-20-x-45-radial-flow-carbon-25-micron-filter-302387.jpg?v=1762459432"},{"product_id":"pentek-rffe-20-bb-20-x-4-5-radial-flow-iron-reduction-filter","title":"Pentek - RFFE20-BB - 20\" x 4.5\" Radial-Flow Iron Reduction Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    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20px;margin-top:20px;box-sizing:border-box;width:100% !important;}\n  .ro-wrap .pro-tip-icon{font-size:22px !important;display:inline;margin-right:8px;line-height:1.6 !important;}\n  .ro-wrap .pro-tip p{font-size:18px !important;color:#5a4500;line-height:1.6 !important;margin:0;display:block;width:100%;}\n  .ro-wrap .pro-tip strong{color:#3d2e00;}\n  .ro-wrap .install-steps{counter-reset:step;list-style:none;padding:0;margin:4px 0 0;display:flex;flex-direction:column;gap:14px;}\n  .ro-wrap .install-steps li{counter-increment:step;display:flex;align-items:flex-start;gap:14px;font-size:18px !important;color:var(--text);}\n  .ro-wrap .install-steps li::before{content:counter(step);display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--ocean);color:white;font-size:15px !important;font-weight:700;flex-shrink:0;margin-top:1px;}\n  .ro-wrap 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!important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003ePentek Specialty Filtration\u003c\/div\u003e\n\u003ch2\u003eRFFE20-BB \u003cem\u003eRadial-Flow Iron Reduction Filter\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"ro-tagline\"\u003e20\" x 4.5\" Big Blue cartridge engineered to remove dissolved iron and eliminate rust staining without adding chemicals to your water supply\u003c\/p\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Reduces up to 3 ppm dissolved iron\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Eliminates orange \u0026amp; brown stains\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Chemical-free operation\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Safe for drinking water\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eThe Pentek RFFE20-BB uses radial-flow media technology to oxidize and remove dissolved ferrous iron from well water, city water, and whole-house applications. Designed for \u003cstrong\u003e20\" x 4.5\" Big Blue housings\u003c\/strong\u003e, this cartridge reduces iron concentrations up to \u003cstrong\u003e3 ppm\u003c\/strong\u003e while preventing damage to pipes, water heaters, and fixtures throughout your home or facility.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eKEY FEATURES\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eWhy the RFFE20-BB Stands Out\u003c\/h3\u003e\n\u003cdiv class=\"ro-feature-grid\"\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🔄\u003c\/span\u003e\n\u003ch3\u003eRadial-Flow Design\u003c\/h3\u003e\n\u003cp\u003eWater flows from the outside to the center, maximizing media contact time and filtration efficiency across the entire cartridge length\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🛡️\u003c\/span\u003e\n\u003ch3\u003eNo Chemical Additives\u003c\/h3\u003e\n\u003cp\u003eIron oxidation occurs through catalytic media without introducing phosphates, salts, or other chemicals into your drinking water supply\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🚰\u003c\/span\u003e\n\u003ch3\u003eStain Prevention\u003c\/h3\u003e\n\u003cp\u003eStops the formation of rust-colored deposits on sinks, toilets, tubs, and fixtures caused by oxidized iron in water\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e⚡\u003c\/span\u003e\n\u003ch3\u003eSystem Protection\u003c\/h3\u003e\n\u003cp\u003eReduces iron buildup in pipes, water heaters, and appliances, extending equipment life and maintaining flow rates\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e💧\u003c\/span\u003e\n\u003ch3\u003eHigh Capacity\u003c\/h3\u003e\n\u003cp\u003eHandles 80,000 to 160,000 gallons depending on iron concentration, offering extended service intervals between cartridge changes\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e📊\u003c\/span\u003e\n\u003ch3\u003ePerformance-Tested\u003c\/h3\u003e\n\u003cp\u003eRated for iron levels from 0.5 to 3 ppm with predictable capacity based on household water consumption and iron concentration\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eFILTER LIFE \u0026amp; CAPACITY\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eExpected Service Intervals by Iron Level\u003c\/h3\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eIron Level\u003c\/th\u003e\n\u003cth\u003eTotal Capacity\u003c\/th\u003e\n\u003cth\u003e1 Person (75 GPD)\u003c\/th\u003e\n\u003cth\u003e2 People (125 GPD)\u003c\/th\u003e\n\u003cth\u003e4 People (250 GPD)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3 ppm\u003c\/td\u003e\n\u003ctd\u003e26,000 gallons\u003c\/td\u003e\n\u003ctd\u003e416 days\u003c\/td\u003e\n\u003ctd\u003e208 days\u003c\/td\u003e\n\u003ctd\u003e104 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2 ppm\u003c\/td\u003e\n\u003ctd\u003e40,000 gallons\u003c\/td\u003e\n\u003ctd\u003e640 days\u003c\/td\u003e\n\u003ctd\u003e320 days\u003c\/td\u003e\n\u003ctd\u003e160 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1 ppm\u003c\/td\u003e\n\u003ctd\u003e80,000 gallons\u003c\/td\u003e\n\u003ctd\u003e1,280 days\u003c\/td\u003e\n\u003ctd\u003e640 days\u003c\/td\u003e\n\u003ctd\u003e320 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.5 ppm\u003c\/td\u003e\n\u003ctd\u003e160,000 gallons\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003ctd\u003e1,280 days\u003c\/td\u003e\n\u003ctd\u003e640 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eOPERATING REQUIREMENTS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eRecommended Water Conditions\u003c\/h3\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eRequirement\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Level\u003c\/td\u003e\n\u003ctd\u003eGreater than 7.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDissolved Iron\u003c\/td\u003e\n\u003ctd\u003eLess than 3 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManganese\u003c\/td\u003e\n\u003ctd\u003eLess than 1 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSilica\u003c\/td\u003e\n\u003ctd\u003eLess than 100 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIron Bacteria\u003c\/td\u003e\n\u003ctd\u003eNone present\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHydrogen Sulfide\u003c\/td\u003e\n\u003ctd\u003eNone present\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eInstallation \u0026amp; System Integration\u003c\/h3\u003e\n\u003cp\u003eThe Pentek RFFE20-BB (model 155263-03) fits standard 20-inch x 4.5-inch Big Blue filter housings and should be installed on the main cold water line after the pressure tank or water meter. Ideal for whole-house filtration, well water treatment, and commercial applications where iron reduction is required. For optimal performance and extended cartridge life, install a 5-micron sediment filter upstream and a carbon block filter downstream to polish taste and remove any residual oxidized iron particles. Compatible with Pentek Big Blue housings including the #20 and similar 20\" x 4.5\" configurations from major manufacturers.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003ePentek has manufactured reliable filtration media for residential, commercial, and industrial water treatment systems for over four decades, with every cartridge produced to consistent specifications for predictable performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Default Title","offer_id":35470103543970,"sku":"155263-43","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-rffe20-bb-20-x-45-radial-flow-iron-reduction-filter-253418.jpg?v=1759500168"},{"product_id":"pentek-wp5bb20p-20-x-4-5-polypropylene-string-wound-filter","title":"Pentek - WP5BB20P - 20\" x 4.5\" Polypropylene String Wound Filter","description":"\n\u003clink 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!important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap 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.ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003ePentek • String Wound Sediment Filter\u003c\/div\u003e\n\u003ch2\u003e20\" x 4.5\" Polypropylene String Wound Filter \u003cem\u003eWP5BB20P\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"ro-tagline\"\u003ePrecision-wound polypropylene sediment filter with 5 micron nominal rating for high-capacity whole house, well, and commercial applications\u003c\/p\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e5 Micron Nominal\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e20\" x 4.5\" Big Blue\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003eString Wound\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eWHY IT WORKS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eEngineered for Higher Dirt-Loading Capacity\u003c\/h3\u003e\n\u003cdiv class=\"ro-feature-grid\"\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e🌀\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003ePrecision Wound Pattern\u003c\/h3\u003e\n\u003cp\u003ePolypropylene cord wound in a precise pattern around a rigid core creates greater surface area than standard wound cartridges, improving efficiency and capacity\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e🏗️\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eDurable Construction\u003c\/h3\u003e\n\u003cp\u003ePolypropylene media and core withstand temperatures from 40°F to 125°F, suitable for municipal water, well water, and many industrial fluids\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e⚙️\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eEconomical Performance\u003c\/h3\u003e\n\u003cp\u003eReduces fine sediment including sand, silt, rust, and scale particles at 5 micron nominal rating with minimal pressure drop—just 1 psi at 10 GPM\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e💧\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eBig Blue Capacity\u003c\/h3\u003e\n\u003cp\u003e20\" x 4.5\" dimensions provide extended filter life and higher flow rates for whole house and commercial installations\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eTechnical Details\u003c\/h3\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWP5BB20P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20\" x 4.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMicron Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 Micron (Nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRigid Polypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40°F to 125°F (4.4°C to 51.7°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePressure Drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 psi @ 10 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhole House, Well Water, Commercial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eFits Standard 20\" Big Blue Housings\u003c\/h3\u003e\n\u003cp\u003eThe Pentek WP5BB20P is designed for use in standard 20\" x 4.5\" Big Blue filter housings. Compatible with Pentek, Pentair, and most major brands of 20-inch sump-style housings rated for sediment filtration in residential, commercial, and industrial settings.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eMAINTENANCE\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cdiv class=\"filter-schedule\"\u003e\n\u003cdiv class=\"schedule-card\"\u003e\n\u003cdiv class=\"interval\"\u003eEvery 3-6 Months\u003c\/div\u003e\n\u003ch4\u003eWhole House \u0026amp; Municipal\u003c\/h4\u003e\n\u003cp\u003eReplace WP5BB20P cartridge every 3 to 6 months depending on water quality and household usage\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"schedule-card\"\u003e\n\u003cdiv class=\"interval\"\u003eEvery 2-4 Months\u003c\/div\u003e\n\u003ch4\u003eWell Water Applications\u003c\/h4\u003e\n\u003cp\u003eMore frequent replacement recommended for well water with higher sediment loads—monitor pressure drop\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"schedule-card\"\u003e\n\u003cdiv class=\"interval\"\u003eAs Needed\u003c\/div\u003e\n\u003ch4\u003eCommercial \u0026amp; Industrial\u003c\/h4\u003e\n\u003cp\u003eReplace based on pressure differential and flow rate monitoring—typically every 1 to 6 months depending on sediment levels\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"benefits-strip\"\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e🔧\u003c\/div\u003e\n\u003ch4\u003eEasy Installation\u003c\/h4\u003e\n\u003cp\u003eDrop-in replacement for standard 20\" Big Blue cartridges\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e🏭\u003c\/div\u003e\n\u003ch4\u003eVersatile Use\u003c\/h4\u003e\n\u003cp\u003eMunicipal, well, and industrial fluid applications\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e📊\u003c\/div\u003e\n\u003ch4\u003eHigh Capacity\u003c\/h4\u003e\n\u003cp\u003eGreater dirt-loading than standard wound filters\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e💰\u003c\/div\u003e\n\u003ch4\u003eCost Effective\u003c\/h4\u003e\n\u003cp\u003eEconomical sediment reduction solution\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Default Title","offer_id":35470104166562,"sku":"355223-43","price":92.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-wp5bb20p-20-x-45-polypropylene-string-wound-filter-922372.jpg?v=1762459435"},{"product_id":"pentek-ws-20bb-20-x-4-5-water-softening-resin-filter","title":"Pentek - WS-20BB - 20\" x 4.5\" Water Softening Resin Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM Sans',sans-serif;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-wrap:break-word;word-break:break-word;min-width:0;\n  }\n  .ro-wrap .ro-hero{background:linear-gradient(135deg,var(--deep) 0%,var(--ocean) 50%,#1a5276 100%);color:var(--white);padding:52px 40px 44px;position:relative;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;}\n  .ro-wrap .ro-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 55% at 95% 45%,rgba(77,208,225,.15) 0%,transparent 65%),radial-gradient(ellipse 40% 40% at 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var(--radius);overflow:hidden;}\n  .ro-wrap .benefit-item{flex:1 1 200px;padding:24px 22px;border-right:1px solid rgba(255,255,255,.1);}\n  .ro-wrap .benefit-item:last-child{border-right:none;}\n  .ro-wrap .bi-icon{font-size:22px !important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003ePentek Water Softening\u003c\/div\u003e\n\u003ch2\u003eWS-20BB 20\" x 4.5\" Softening Resin Cartridge\u003c\/h2\u003e\n\u003cp class=\"ro-tagline\"\u003eSodium-form cation exchange resin in a drop-in cartridge for point-of-use water softening\u003c\/p\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e4,500 Grain Capacity\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e20\" x 4.5\" Big Blue\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003eReduces Scale\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e2.0 GPM Flow\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eThe Pentek WS-20BB delivers water softening in a standard cartridge format, eliminating the need for a full softener tank. Sodium-form cation exchange resin captures hardness minerals like calcium and magnesium, reducing scale buildup in appliances, fixtures, and equipment where hard water is a problem.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eHOW IT WORKS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eIon Exchange Softening Process\u003c\/h3\u003e\n\u003cdiv class=\"stage-pipeline\"\u003e\n\n\u003cdiv class=\"stage-row\"\u003e\n\u003cdiv class=\"stage-line\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"stage-num\"\u003e1\u003c\/div\u003e\n\u003cdiv class=\"stage-body\"\u003e\n\u003cspan class=\"stage-tag\"\u003ePREFILTRATION\u003c\/span\u003e\n\u003ch3\u003eSediment Pre-Filter Layer\u003c\/h3\u003e\n\u003cp\u003ePolypropylene pre-filter captures particulate matter before water reaches the resin bed, preventing fouling and maintaining efficiency.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"stage-row\"\u003e\n\u003cdiv class=\"stage-line\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"stage-num\"\u003e2\u003c\/div\u003e\n\u003cdiv class=\"stage-body\"\u003e\n\u003cspan class=\"stage-tag\"\u003eEXCHANGE\u003c\/span\u003e\n\u003ch3\u003eCation Resin Bed\u003c\/h3\u003e\n\u003cp\u003eSodium-charged resin beads exchange sodium ions for hardness-causing calcium and magnesium, reducing scale formation up to 4,500 grains total capacity.\u003c\/p\u003e\n\u003cspan class=\"stage-part\"\u003e77,000 PPM TDS capacity\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"stage-row\"\u003e\n\u003cdiv class=\"stage-line\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"stage-num\"\u003e3\u003c\/div\u003e\n\u003cdiv class=\"stage-body\"\u003e\n\u003cspan class=\"stage-tag\"\u003ePOLISH\u003c\/span\u003e\n\u003ch3\u003ePost-Filter Protection\u003c\/h3\u003e\n\u003cp\u003ePolypropylene post-filter retains resin fines and ensures only softened, clean water exits the cartridge at up to 2.0 gallons per minute.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eWS-20BB Technical Details\u003c\/h3\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eModel Number\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eWS-20BB (Pentek 155321-03)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eDimensions\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e20\" x 4.5\" (Big Blue)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eSoftening Capacity\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e4,500 grains (as CaCO3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eTotal TDS Capacity\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e77,000 PPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eFlow Rate\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e2.0 GPM maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eFilter Media\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eSodium-form cation exchange resin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eHousing Material\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003ePolypropylene shell and end caps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eGasket Material\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eBuna-N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eTemperature Range\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e40°F to 100°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eHousing Requirements\u003c\/h3\u003e\n\u003cp\u003eThe Pentek WS-20BB fits all standard 20-inch Big Blue filter housings with 4.5-inch inner diameter. Ideal for point-of-use applications including ice makers, dishwashers, coffee equipment, and small water heaters where hard water causes scaling. This cartridge is non-regenerable and should be replaced when softening capacity is exhausted, typically indicated by scale formation or hardness testing. Not intended for whole-house softening or drinking water applications where sodium content is a concern.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Default Title","offer_id":35470104232098,"sku":"155321-43","price":134.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-ws-20bb-20-x-45-water-softening-resin-filter-471403.jpg?v=1762459435"},{"product_id":"pentek-c1-20-20-x-2-5-activated-carbon-impregnated-5-micron-filter","title":"Pentek - C1-20 - 20\" x 2.5\" Activated Carbon-Impregnated 5 Micron Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    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Display',serif;font-size:clamp(26px,4vw,40px) !important;line-height:1.15;font-weight:400;margin-bottom:16px;color:var(--white);}\n  .ro-wrap .ro-hero h2 em{font-style:italic;color:var(--aqua);}\n  .ro-wrap .ro-tagline{font-size:18px !important;color:rgba(255,255,255,.75);font-weight:300;margin-bottom:28px;}\n  .ro-wrap .ro-badges{display:flex;flex-wrap:wrap;gap:10px;}\n  .ro-wrap .ro-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:var(--white);font-size:15px !important;font-weight:500;padding:6px 14px;border-radius:40px;backdrop-filter:blur(6px);}\n  .ro-wrap .ro-callout{background:var(--offwhite);border-left:4px solid var(--sky);padding:20px 24px;}\n  .ro-wrap .ro-callout p{font-size:18px !important;color:var(--text);line-height:1.7;margin:0;}\n  .ro-wrap .ro-callout strong{color:var(--ocean);}\n  .ro-wrap .ro-section{padding:36px 40px;border-bottom:1px solid var(--slate);}\n  .ro-wrap .ro-label{font-size:13px !important;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--sky);margin-bottom:8px;}\n  .ro-wrap .ro-title{font-family:'DM Serif Display',serif;font-size:24px !important;color:var(--deep);margin-bottom:20px;font-weight:400;}\n  .ro-wrap .stage-pipeline{display:flex;flex-direction:column;gap:0;margin-top:4px;}\n  .ro-wrap .stage-row{display:flex;flex-direction:row;gap:12px;position:relative;min-width:0;align-items:flex-start;width:100%;box-sizing:border-box;}\n  .ro-wrap .stage-row:not(:last-child) .stage-line{position:absolute;left:17px;top:40px;bottom:0;width:2px;background:var(--slate);}\n  .ro-wrap .stage-num{width:36px;height:36px;min-width:36px;max-width:36px;border-radius:50%;background:linear-gradient(135deg,var(--ocean),var(--sky));color:white;display:flex;align-items:center;justify-content:center;font-size:16px !important;font-weight:700;flex:0 0 36px;position:relative;z-index:1;margin-top:16px;}\n  .ro-wrap 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.specs-table{width:100%;border-collapse:collapse;font-size:18px !important;}\n  .ro-wrap .specs-table tr{border-bottom:1px solid var(--slate);}\n  .ro-wrap .specs-table tr:last-child{border-bottom:none;}\n  .ro-wrap .specs-table td{padding:11px 6px;vertical-align:top;}\n  .ro-wrap .specs-table td:first-child{font-weight:500;color:var(--deep);width:44%;padding-right:16px;}\n  .ro-wrap .specs-table td:last-child{color:var(--muted);}\n  .ro-wrap .specs-table tr:hover td{background:var(--offwhite);}\n  .ro-wrap .conditions-table{width:100%;border-collapse:collapse;font-size:18px !important;margin-top:4px;}\n  .ro-wrap .conditions-table th{background:var(--deep);color:var(--white);font-size:15px !important;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:10px 12px;text-align:left;}\n  .ro-wrap .conditions-table th:first-child{border-radius:var(--radius) 0 0 0;}\n  .ro-wrap .conditions-table th:last-child{border-radius:0 var(--radius) 0 0;}\n  .ro-wrap .conditions-table td{padding:10px 12px;border-bottom:1px solid var(--slate);color:var(--text);}\n  .ro-wrap .conditions-table tr:nth-child(even) td{background:var(--offwhite);}\n  .ro-wrap .ro-feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(220px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .ro-feature-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:20px 18px;}\n  .ro-wrap .ro-feat-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--ocean),var(--sky));border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;}\n  .ro-wrap .ro-feature-card h3{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .ro-feature-card p{font-size:18px !important;color:var(--muted);line-height:1.55;margin:0;}\n  .ro-wrap .pro-tip{display:block;background:#fffbeb;border:1px solid #f5d87a;border-radius:var(--radius);padding:18px 20px;margin-top:20px;box-sizing:border-box;width:100% !important;}\n  .ro-wrap .pro-tip-icon{font-size:22px !important;display:inline;margin-right:8px;line-height:1.6 !important;}\n  .ro-wrap .pro-tip p{font-size:18px !important;color:#5a4500;line-height:1.6 !important;margin:0;display:block;width:100%;}\n  .ro-wrap .pro-tip strong{color:#3d2e00;}\n  .ro-wrap .install-steps{counter-reset:step;list-style:none;padding:0;margin:4px 0 0;display:flex;flex-direction:column;gap:14px;}\n  .ro-wrap .install-steps li{counter-increment:step;display:flex;align-items:flex-start;gap:14px;font-size:18px !important;color:var(--text);}\n  .ro-wrap .install-steps li::before{content:counter(step);display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--ocean);color:white;font-size:15px !important;font-weight:700;flex-shrink:0;margin-top:1px;}\n  .ro-wrap .filter-schedule{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .schedule-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .schedule-card .interval{font-size:22px !important;font-family:'DM Serif Display',serif;color:var(--sky);font-weight:400;margin-bottom:4px;}\n  .ro-wrap .schedule-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .schedule-card p{font-size:15px !important;color:var(--muted);margin:0;line-height:1.45;}\n  .ro-wrap .benefits-strip{display:flex;flex-wrap:wrap;background:var(--deep);color:var(--white);border-radius:0 0 var(--radius) var(--radius);overflow:hidden;}\n  .ro-wrap .benefit-item{flex:1 1 200px;padding:24px 22px;border-right:1px solid rgba(255,255,255,.1);}\n  .ro-wrap .benefit-item:last-child{border-right:none;}\n  .ro-wrap .bi-icon{font-size:22px !important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003ePentek • 20\" Carbon-Impregnated Cartridge\u003c\/div\u003e\n\u003ch2\u003e\n\u003cem\u003eC1-20\u003c\/em\u003e Activated Carbon-Impregnated Filter\u003c\/h2\u003e\n\u003cdiv class=\"ro-tagline\"\u003eDual-purpose sediment and chemical filtration in a single economical cartridge\u003c\/div\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ 5 micron nominal rating\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Reduces chlorine taste \u0026amp; odor\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ 20\" x 2.5\" standard size\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ 5,000 gallon capacity\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eThe Pentek C1-20 combines particulate filtration with chemical adsorption in a carbon-impregnated cellulose cartridge. Rated at \u003cstrong\u003e5 microns nominal\u003c\/strong\u003e, it removes fine sediment while reducing chlorine, taste, and odor from municipal water supplies. Built with polyester reinforcement and external netting for increased dirt-loading capacity and structural integrity.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eKEY FEATURES\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eWhat Makes the C1-20 Effective\u003c\/h3\u003e\n\u003cdiv class=\"ro-feature-grid\"\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🔬\u003c\/span\u003e\n\u003ch3\u003eCarbon-Impregnated Media\u003c\/h3\u003e\n\u003cp\u003eActivated carbon particles embedded throughout cellulose fibers provide chemical reduction while maintaining sediment filtration\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🏗️\u003c\/span\u003e\n\u003ch3\u003eReinforced Construction\u003c\/h3\u003e\n\u003cp\u003ePolyester backing and external polyethylene netting increase strength and dirt-holding capacity beyond standard cellulose cartridges\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e💧\u003c\/span\u003e\n\u003ch3\u003eDual-Purpose Filtration\u003c\/h3\u003e\n\u003cp\u003eRemoves particulates down to 5 microns while simultaneously reducing chlorine taste, odor, and organic compounds\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e⚙️\u003c\/span\u003e\n\u003ch3\u003eLow Pressure Drop\u003c\/h3\u003e\n\u003cp\u003eOnly 1.0 psi at 5 GPM flow rate maintains system efficiency in whole-house and point-of-use applications\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🔄\u003c\/span\u003e\n\u003ch3\u003eHigh Capacity\u003c\/h3\u003e\n\u003cp\u003eRated for up to 5,000 gallons depending on water quality, providing extended service intervals in most residential applications\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🌡️\u003c\/span\u003e\n\u003ch3\u003eWide Temperature Range\u003c\/h3\u003e\n\u003cp\u003eOperational from 40°F to 145°F allows use in both cold water and warm process applications\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eTechnical Details\u003c\/h3\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20\" x 2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMicron Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 micron (nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter Media\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePAC impregnated cellulose with polyester reinforcement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnd Caps\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVinyl plastisol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCore Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExternal Netting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolyethylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlow Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 GPM (1.0 psi pressure drop)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 5,000 gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40°F to 145°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eWhere the C1-20 Fits\u003c\/h3\u003e\n\u003cp\u003eThe Pentek C1-20 installs in any standard 20-inch filter housing with 2.5-inch cartridge diameter. Well-suited for whole-house filtration systems, well water applications, and as a polishing filter in process or closed-loop streams. Works effectively as a standalone filter or as part of a multi-stage system following sediment pre-filtration. Compatible with Pentek, Ametek, and most industry-standard 20\" housings.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003ePentek manufactures filtration cartridges in the USA with consistent quality control and widely available replacement options.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Default Title","offer_id":35470104297634,"sku":"155597-43","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/product-5536596328610-padded.jpg?v=1777268004"},{"product_id":"pentek-cbc-20-20-x-2-5-carbon-briquette-0-5-micron-filter","title":"Pentek - CBC-20 - 20\" x 2.5\" Carbon-Briquette 0.5 Micron Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM Sans',sans-serif;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-wrap:break-word;word-break:break-word;min-width:0;\n  }\n  .ro-wrap .ro-hero{background:linear-gradient(135deg,var(--deep) 0%,var(--ocean) 50%,#1a5276 100%);color:var(--white);padding:52px 40px 44px;position:relative;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;}\n  .ro-wrap .ro-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 55% at 95% 45%,rgba(77,208,225,.15) 0%,transparent 65%),radial-gradient(ellipse 40% 40% at 5% 80%,rgba(255,255,255,.05) 0%,transparent 60%);pointer-events:none;}\n  .ro-wrap .ro-eyebrow{font-size:13px 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!important;box-sizing:border-box;}\n  .ro-wrap .stage-body p{font-size:18px !important;color:var(--muted);line-height:1.6;margin:0;display:block;}\n  .ro-wrap .stage-body .stage-part{font-size:15px !important;color:var(--sky);margin-top:6px;font-weight:500;}\n  .ro-wrap .specs-table{width:100%;border-collapse:collapse;font-size:18px !important;}\n  .ro-wrap .specs-table tr{border-bottom:1px solid var(--slate);}\n  .ro-wrap .specs-table tr:last-child{border-bottom:none;}\n  .ro-wrap .specs-table td{padding:11px 6px;vertical-align:top;}\n  .ro-wrap .specs-table td:first-child{font-weight:500;color:var(--deep);width:44%;padding-right:16px;}\n  .ro-wrap .specs-table td:last-child{color:var(--muted);}\n  .ro-wrap .specs-table tr:hover td{background:var(--offwhite);}\n  .ro-wrap .conditions-table{width:100%;border-collapse:collapse;font-size:18px !important;margin-top:4px;}\n  .ro-wrap .conditions-table th{background:var(--deep);color:var(--white);font-size:15px 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!important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .ro-feature-card p{font-size:18px !important;color:var(--muted);line-height:1.55;margin:0;}\n  .ro-wrap .pro-tip{display:block;background:#fffbeb;border:1px solid #f5d87a;border-radius:var(--radius);padding:18px 20px;margin-top:20px;box-sizing:border-box;width:100% !important;}\n  .ro-wrap .pro-tip-icon{font-size:22px !important;display:inline;margin-right:8px;line-height:1.6 !important;}\n  .ro-wrap .pro-tip p{font-size:18px !important;color:#5a4500;line-height:1.6 !important;margin:0;display:block;width:100%;}\n  .ro-wrap .pro-tip strong{color:#3d2e00;}\n  .ro-wrap .install-steps{counter-reset:step;list-style:none;padding:0;margin:4px 0 0;display:flex;flex-direction:column;gap:14px;}\n  .ro-wrap .install-steps li{counter-increment:step;display:flex;align-items:flex-start;gap:14px;font-size:18px !important;color:var(--text);}\n  .ro-wrap .install-steps 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var(--radius);overflow:hidden;}\n  .ro-wrap .benefit-item{flex:1 1 200px;padding:24px 22px;border-right:1px solid rgba(255,255,255,.1);}\n  .ro-wrap .benefit-item:last-child{border-right:none;}\n  .ro-wrap .bi-icon{font-size:22px !important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\nThe Pentek CBC-20 is a 20\" x 2.5\" carbon-briquette filter that reduces chlorine, taste, odor, and parasitic cysts down to 0.5 microns from potable drinking water. With a 45,000-gallon capacity and flow rate of 2 GPM, this FDA-compliant bonded carbon block is engineered for whole-house, well water, and commercial applications where fine filtration and high capacity matter.\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003ePentek CBC-20 Filter Specs\u003c\/h2\u003e\n\u003cdiv class=\"spec-cards\"\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eDimensions\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e20\" × 2.5\"\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eStandard housing size\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eMicron Rating\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e0.5 μm\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eFine sediment \u0026amp; cyst reduction\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eFlow Rate\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e2 GPM\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003e@ 3.0 psi pressure drop\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eCapacity\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e45,000 gal\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eTypical filter life\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eFilter Media\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003eBonded PAC\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eCarbon briquette block\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eTemperature\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e40°–145°F\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eOperating range\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eTECHNICAL DETAILS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eMaterials \u0026amp; Construction\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Media\u003c\/td\u003e\n\u003ctd\u003eBonded Powdered Activated Carbon (PAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Caps\u003c\/td\u003e\n\u003ctd\u003ePolystyrene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetting\u003c\/td\u003e\n\u003ctd\u003ePolyethylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner\/Outer Wrap\u003c\/td\u003e\n\u003ctd\u003ePolyolefin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eFDA-compliant materials\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturing Process\u003c\/td\u003e\n\u003ctd\u003ePatented carbon-briquette process\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCyst Reduction\u003c\/td\u003e\n\u003ctd\u003eGiardia, Cryptosporidium, Entamoeba, Toxoplasma (per manufacturer testing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eWhere the Pentek CBC-20 Fits\u003c\/h2\u003e\n\u003cp\u003eThe CBC-20 fits all standard 20-inch filter housings with 2.5-inch outer diameter compatibility. It's designed for whole-house filtration systems, well water treatment, point-of-entry applications, food service equipment, and commercial installations where chlorine, taste, odor, and cyst reduction are priorities. This carbon block also works as an effective polishing filter or pre-filter in multi-stage systems requiring fine sediment removal and high contaminant capacity. Because it's made from FDA-compliant materials and uses a patented bonded carbon process, it's trusted in residential, commercial, and industrial water treatment applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pro-tip\"\u003e\n💧 \u003cstrong\u003ePro Tip:\u003c\/strong\u003e Carbon block filters like the CBC-20 trap contaminants mechanically and through adsorption, which means flow rate will slow as the filter loads. If you notice pressure drop increasing before the rated capacity, it's a sign your source water has higher sediment or chlorine levels than average—consider adding a 5-micron sediment pre-filter upstream to extend the carbon block's life.\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Single","offer_id":42833056170155,"sku":"155309-43","price":59.99,"currency_code":"USD","in_stock":true},{"title":"Five Pack","offer_id":42833056202923,"sku":"5x 155309-43","price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-cbc-20-20-x-25-carbon-briquette-05-micron-filter-814714.jpg?v=1759500170"},{"product_id":"pentek-ecp5-20-20-x-2-5-pleated-cellulose-5-micron-sediment-filter","title":"Pentek - ECP5-20 - 20\" x 2.5\" Pleated Cellulose 5 Micron Sediment Filter","description":"\n\u003clink 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!important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003ePentek Water Filtration\u003c\/div\u003e\n\u003ch2\u003e\n\u003cem\u003eECP5-20\u003c\/em\u003e Pleated Cellulose Sediment Filter\u003c\/h2\u003e\n\u003cdiv class=\"ro-tagline\"\u003e20\" x 2.5\" • 5 Micron Nominal • High Flow, High Capacity\u003c\/div\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ 12 sq ft of media surface area\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Resin-impregnated for wet strength\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Low pressure drop design\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Fused end caps and gasket\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eThe Pentek ECP5-20 is a workhorse sediment filter built for whole-house and well water systems. Its \u003cstrong\u003eresin-impregnated cellulose and polyester construction\u003c\/strong\u003e delivers higher wet strength and dirt-holding capacity than standard cellulose cartridges, while the \u003cstrong\u003e12 square feet of pleated media\u003c\/strong\u003e provides exceptional flow rates with minimal pressure drop at \u003cstrong\u003e5 micron nominal filtration\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eTechnical Details\u003c\/h3\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e20\" x 2.5\" (2-5\/8\" OD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicron Rating\u003c\/td\u003e\n\u003ctd\u003e5 Micron (Nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia Surface Area\u003c\/td\u003e\n\u003ctd\u003e12 Square Feet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Drop\u003c\/td\u003e\n\u003ctd\u003e1 psi @ 10 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia Material\u003c\/td\u003e\n\u003ctd\u003eCellulose Polyester (Resin-Impregnated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Material\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Cap Material\u003c\/td\u003e\n\u003ctd\u003eVinyl Plastisol (Thermo-Set)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e40°F to 125°F (4.4°C to 51.7°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003ePentek (Pentair)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eKEY ADVANTAGES\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eWhy the ECP Series Outperforms Standard Cellulose\u003c\/h3\u003e\n\u003cdiv class=\"ro-feature-grid\"\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e💪\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eSuperior Wet Strength\u003c\/h3\u003e\n\u003cp\u003eResin-impregnated construction resists breakdown and maintains structural integrity throughout the filter life, unlike untreated cellulose.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e📐\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eMore Surface Area\u003c\/h3\u003e\n\u003cp\u003e12 square feet of pleated media in a standard 20\" cartridge means more dirt capacity and longer service intervals than competitive filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e🔧\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eUnified End Cap Design\u003c\/h3\u003e\n\u003cp\u003ePleat block ends are immersed in vinyl plastisol to fuse core, media, and gasket into one piece—no bypass, no leaks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e💧\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eHigh Flow, Low Drop\u003c\/h3\u003e\n\u003cp\u003eEfficient pleated design maintains low pressure drop even at 10 GPM, preserving system pressure and pump life.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eWhere to Use the ECP5-20\u003c\/h3\u003e\n\u003cp\u003eThe Pentek ECP5-20 fits standard 20\" x 2.5\" filter housings and is ideal for whole-house sediment filtration, well water pretreatment, and point-of-entry systems. Use it upstream of carbon blocks, water softeners, or reverse osmosis systems to protect downstream components from sand, silt, rust, and suspended solids. Compatible with Pentek Big Blue and standard 20\" housings from most manufacturers. Nominal 5 micron rating makes it effective for general sediment reduction without excessive pressure loss.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003ePentek has been manufacturing reliable filtration products for municipal, industrial, and residential applications for decades. The ECP5-20 is a proven choice for sediment control in demanding water conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Default Title","offer_id":35470104527010,"sku":"255486-43","price":27.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-ecp5-20-20-x-25-pleated-cellulose-5-micron-sediment-filter-228762.jpg?v=1762459437"},{"product_id":"pentek-epm-20-20-x-2-5-modified-epsilon-carbon-briquette-10-micron-filter","title":"Pentek - EPM-20 - 20\" x 2.5\" Modified Epsilon Carbon-Briquette 10 Micron Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    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.spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003ePentek EPM Series\u003c\/div\u003e\n\u003ch2\u003eEPM-20 Modified Epsilon Carbon Block Filter\u003c\/h2\u003e\n\u003cdiv class=\"ro-tagline\"\u003e20\" x 2.5\" carbon-briquette cartridge with Endurawrap pre-filter for extended service life and chlorine reduction\u003c\/div\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e10 Micron Nominal\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e6,000 Gallon Capacity\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003eFDA Compliant Materials\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003eWhole House \u0026amp; Well Compatible\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\nThe Pentek EPM-20 uses a patented bonded powdered activated carbon (PAC) process that balances chlorine adsorption with high flow rates and sediment filtration. The Endurawrap polyolefin pre-filter captures sediment before it can plug the carbon block, helping the cartridge reach its full 6,000-gallon capacity without premature pressure loss.\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eHOW IT WORKS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eThree-Layer Filtration Design\u003c\/h2\u003e\n\u003cdiv class=\"stage-pipeline\"\u003e\n\n\u003cdiv class=\"stage-row\"\u003e\n\u003cdiv class=\"stage-line\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"stage-num\"\u003e1\u003c\/div\u003e\n\u003cdiv class=\"stage-body\"\u003e\n\u003cspan class=\"stage-tag\"\u003eWRAP\u003c\/span\u003e\n\u003ch3\u003eEndurawrap Pre-Filtration\u003c\/h3\u003e\n\u003cp\u003ePolyolefin bilaminate outer wrap traps sediment and particulates before they reach the carbon block, preventing premature clogging and extending cartridge life in high-sediment applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"stage-row\"\u003e\n\u003cdiv class=\"stage-line\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"stage-num\"\u003e2\u003c\/div\u003e\n\u003cdiv class=\"stage-body\"\u003e\n\u003cspan class=\"stage-tag\"\u003eCARBON\u003c\/span\u003e\n\u003ch3\u003eModified Epsilon Carbon Block\u003c\/h3\u003e\n\u003cp\u003eHigh-porosity bonded PAC core provides nominal 10-micron filtration while reducing chlorine taste and odor. The open structure maintains low pressure drop even as the cartridge loads with contaminants.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"stage-row\"\u003e\n\u003cdiv class=\"stage-line\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"stage-num\"\u003e3\u003c\/div\u003e\n\u003cdiv class=\"stage-body\"\u003e\n\u003cspan class=\"stage-tag\"\u003ePOLISH\u003c\/span\u003e\n\u003ch3\u003eFinal Filtration Stage\u003c\/h3\u003e\n\u003cp\u003ePolyethylene netting support and polypropylene end caps ensure structural integrity under pressure while maintaining consistent water quality throughout the full service life.\u003c\/p\u003e\n\u003cspan class=\"stage-part\"\u003eService life: 6,000 gallons\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eTechnical Details\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eModel Number\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003eEPM-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eDimensions\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e20\" x 2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eMicron Rating\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e10 micron (nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eFilter Media\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003eBonded Powdered Activated Carbon (PAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eOuter Wrap\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003eEndurawrap Polyolefin Bilaminate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eEnd Caps\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eSupport Netting\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003ePolyethylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eTemperature Range\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e40°F to 180°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003ePressure Drop\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e1.0 psi @ 2 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eService Life\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e6,000 gallons (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eMaterials Compliance\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003eFDA compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eWhere It Fits\u003c\/h2\u003e\n\u003cp\u003eThe EPM-20 fits standard 20-inch filter housings with 2.5-inch diameter cartridge capacity. It works in whole-house systems, well water applications, food service installations, and commercial or industrial settings where chlorine taste and odor reduction is needed alongside sediment filtration. The high-porosity design makes it particularly well-suited for municipal water sources with moderate sediment loads, and the FDA-compliant construction meets requirements for potable water contact in residential and commercial applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Single","offer_id":37783451631787,"sku":"155635-43","price":35.15,"currency_code":"USD","in_stock":true},{"title":"(6) Six pack (Full Case)","offer_id":37783451664555,"sku":"(6) 155635-43","price":175.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-epm-20-20-x-25-modified-epsilon-carbon-briquette-10-micron-filter-651877.jpg?v=1762459438"},{"product_id":"pentek-gac-20-20x2-5-granular-activated-carbon-filter","title":"Pentek - GAC-20 - 20\" x 2.5\" Granular Activated Carbon Filter","description":"\n\u003clink 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.stage-num{width:36px;height:36px;min-width:36px;max-width:36px;border-radius:50%;background:linear-gradient(135deg,var(--ocean),var(--sky));color:white;display:flex;align-items:center;justify-content:center;font-size:16px !important;font-weight:700;flex:0 0 36px;position:relative;z-index:1;margin-top:16px;}\n  .ro-wrap .stage-body{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px 18px;margin-bottom:12px;flex:1 1 0;min-width:0;overflow:hidden;overflow-wrap:break-word;word-break:break-word;box-sizing:border-box;}\n  .ro-wrap .stage-body h3{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:8px;margin-top:6px;}\n  .ro-wrap .stage-tag{display:block;font-size:12px !important;font-weight:700;letter-spacing:.04em;text-transform:uppercase;background:var(--slate);color:var(--ocean);padding:3px 8px;border-radius:4px;margin-bottom:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;line-height:1.5 !important;box-sizing:border-box;}\n  .ro-wrap .stage-body p{font-size:18px !important;color:var(--muted);line-height:1.6;margin:0;display:block;}\n  .ro-wrap .stage-body .stage-part{font-size:15px !important;color:var(--sky);margin-top:6px;font-weight:500;}\n  .ro-wrap .specs-table{width:100%;border-collapse:collapse;font-size:18px !important;}\n  .ro-wrap .specs-table tr{border-bottom:1px solid var(--slate);}\n  .ro-wrap .specs-table tr:last-child{border-bottom:none;}\n  .ro-wrap .specs-table td{padding:11px 6px;vertical-align:top;}\n  .ro-wrap .specs-table td:first-child{font-weight:500;color:var(--deep);width:44%;padding-right:16px;}\n  .ro-wrap .specs-table td:last-child{color:var(--muted);}\n  .ro-wrap .specs-table tr:hover td{background:var(--offwhite);}\n  .ro-wrap .conditions-table{width:100%;border-collapse:collapse;font-size:18px !important;margin-top:4px;}\n  .ro-wrap .conditions-table th{background:var(--deep);color:var(--white);font-size:15px !important;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:10px 12px;text-align:left;}\n  .ro-wrap .conditions-table th:first-child{border-radius:var(--radius) 0 0 0;}\n  .ro-wrap .conditions-table th:last-child{border-radius:0 var(--radius) 0 0;}\n  .ro-wrap .conditions-table td{padding:10px 12px;border-bottom:1px solid var(--slate);color:var(--text);}\n  .ro-wrap .conditions-table tr:nth-child(even) td{background:var(--offwhite);}\n  .ro-wrap .ro-feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(220px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .ro-feature-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:20px 18px;}\n  .ro-wrap .ro-feat-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--ocean),var(--sky));border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;}\n  .ro-wrap .ro-feature-card h3{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .ro-feature-card p{font-size:18px !important;color:var(--muted);line-height:1.55;margin:0;}\n  .ro-wrap .pro-tip{display:block;background:#fffbeb;border:1px solid #f5d87a;border-radius:var(--radius);padding:18px 20px;margin-top:20px;box-sizing:border-box;width:100% !important;}\n  .ro-wrap .pro-tip-icon{font-size:22px !important;display:inline;margin-right:8px;line-height:1.6 !important;}\n  .ro-wrap .pro-tip p{font-size:18px !important;color:#5a4500;line-height:1.6 !important;margin:0;display:block;width:100%;}\n  .ro-wrap .pro-tip strong{color:#3d2e00;}\n  .ro-wrap .install-steps{counter-reset:step;list-style:none;padding:0;margin:4px 0 0;display:flex;flex-direction:column;gap:14px;}\n  .ro-wrap .install-steps li{counter-increment:step;display:flex;align-items:flex-start;gap:14px;font-size:18px !important;color:var(--text);}\n  .ro-wrap .install-steps li::before{content:counter(step);display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--ocean);color:white;font-size:15px !important;font-weight:700;flex-shrink:0;margin-top:1px;}\n  .ro-wrap .filter-schedule{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .schedule-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .schedule-card .interval{font-size:22px !important;font-family:'DM Serif Display',serif;color:var(--sky);font-weight:400;margin-bottom:4px;}\n  .ro-wrap .schedule-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .schedule-card p{font-size:15px !important;color:var(--muted);margin:0;line-height:1.45;}\n  .ro-wrap .benefits-strip{display:flex;flex-wrap:wrap;background:var(--deep);color:var(--white);border-radius:0 0 var(--radius) var(--radius);overflow:hidden;}\n  .ro-wrap .benefit-item{flex:1 1 200px;padding:24px 22px;border-right:1px solid rgba(255,255,255,.1);}\n  .ro-wrap .benefit-item:last-child{border-right:none;}\n  .ro-wrap .bi-icon{font-size:22px !important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\nThe Pentek GAC-20 is a 20-inch granular activated carbon filter designed for full-contact chlorine and taste reduction in whole-house and well water systems. Its flow-through design with internal expansion pad and 20-micron post-filter ensures maximum carbon contact without channeling or bypass.\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003ePentek GAC-20 Technical Details\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e20\" x 2.5\" (2-7\/8\" OD x 20\" length)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Media\u003c\/td\u003e\n\u003ctd\u003eGranular Activated Carbon (GAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePost-Filter\u003c\/td\u003e\n\u003ctd\u003e20-micron spun polypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Rate\u003c\/td\u003e\n\u003ctd\u003e2 GPM at 16 psi pressure drop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Life\u003c\/td\u003e\n\u003ctd\u003eUp to 10,000 gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e40°F to 145°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Compatibility\u003c\/td\u003e\n\u003ctd\u003eStandard 20\" x 2.5\" filter housings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Cap Material\u003c\/td\u003e\n\u003ctd\u003ePolystyrene with polystyrene outer casing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eINSTALLATION \u0026amp; USE\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eInstalling Your GAC-20 Filter\u003c\/h2\u003e\n\u003col class=\"install-steps\"\u003e\n\u003cli\u003eShut off water supply and relieve system pressure by opening a downstream faucet before removing the filter housing sump.\u003c\/li\u003e\n\u003cli\u003eRemove the old cartridge and clean the housing sump with mild soap and water, checking the o-ring for wear or damage.\u003c\/li\u003e\n\u003cli\u003eInsert the Pentek GAC-20 vertically into the housing, ensuring it seats properly on the center post without forcing or tilting.\u003c\/li\u003e\n\u003cli\u003eLubricate the o-ring with food-grade silicone grease, thread the sump back onto the housing cap, and hand-tighten firmly.\u003c\/li\u003e\n\u003cli\u003eTurn water supply back on slowly and check for leaks, then flush the system for 3-5 minutes to clear carbon fines and activate the filter bed.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eWhere the GAC-20 Works Best\u003c\/h2\u003e\n\u003cp\u003eThe Pentek GAC-20 fits all standard 20-inch filter housings with 2.5-inch diameter cartridge capacity, making it compatible with most whole-house and well water filtration systems. It is effective for municipal and well water applications where chlorine taste and odor, organic chemicals, and general water taste issues are present. This filter works best as a second or third stage after sediment pre-filtration to protect the carbon bed from premature fouling. The flow-through design and 20-micron post-filter make it suitable for moderate flow rate applications up to 2 GPM in residential and light commercial settings.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pro-tip\"\u003e\n🔧 \u003cstrong\u003ePro Tip:\u003c\/strong\u003e Always install a 5-micron sediment filter upstream of the GAC-20 to extend carbon life and prevent the granular media from clogging with particulate. Mark your installation date on the filter housing with a grease pencil so you can track the 10,000-gallon service life accurately.\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Default Title","offer_id":35470104723618,"sku":"155111-43","price":54.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-gac-20-20-x-25-granular-activated-carbon-filter-519198.jpg?v=1762459439"},{"product_id":"pentek-dgd-series-10-x-4-5-big-blue-dual-gradient-density-polypropylene-sediment-filter","title":"Pentek - DGD Series 10\" x 4.5\" Big Blue Dual-Gradient Density Polypropylene Sediment Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    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var(--radius);overflow:hidden;}\n  .ro-wrap .benefit-item{flex:1 1 200px;padding:24px 22px;border-right:1px solid rgba(255,255,255,.1);}\n  .ro-wrap .benefit-item:last-child{border-right:none;}\n  .ro-wrap .bi-icon{font-size:22px !important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003ePentek Big Blue Sediment Filtration\u003c\/div\u003e\n\u003ch2\u003eDGD Series 10\" x 4.5\" Dual-Gradient Density Polypropylene Filter\u003c\/h2\u003e\n\u003cdiv class=\"ro-tagline\"\u003eAdvanced dual-layer meltblown design delivers three times the dirt capacity of standard sediment cartridges\u003c\/div\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e100% Pure Polypropylene\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003eDual-Gradient Technology\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003eBig Blue Housings\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003eHigh Flow Capacity\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eThe Pentek DGD Series combines two gradient-density layers in a single cartridge to handle heavy sediment loads without sacrificing flow rate. The outer pre-filter layer removes larger particles while the inner post-filter layer captures finer sediment, extending service life and maintaining consistent pressure across residential, municipal, and commercial applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eTECHNICAL SPECIFICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eAvailable Models and Performance Data\u003c\/h3\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel Number\u003c\/th\u003e\n\u003cth\u003eMicron Rating\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003ePressure Drop\u003c\/th\u003e\n\u003cth\u003eMax Flow Rate\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDGD-2501\u003c\/td\u003e\n\u003ctd\u003e1 micron\u003c\/td\u003e\n\u003ctd\u003e10\" x 4.5\"\u003c\/td\u003e\n\u003ctd\u003e1 PSI @ 10 GPM\u003c\/td\u003e\n\u003ctd\u003e10 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDGD-5005\u003c\/td\u003e\n\u003ctd\u003e5 micron\u003c\/td\u003e\n\u003ctd\u003e10\" x 4.5\"\u003c\/td\u003e\n\u003ctd\u003e1 PSI @ 10 GPM\u003c\/td\u003e\n\u003ctd\u003e10 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDGD-7525\u003c\/td\u003e\n\u003ctd\u003e25 micron\u003c\/td\u003e\n\u003ctd\u003e10\" x 4.5\"\u003c\/td\u003e\n\u003ctd\u003e1 PSI @ 10 GPM\u003c\/td\u003e\n\u003ctd\u003e10 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003ePERFORMANCE ADVANTAGES\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eWhy Dual-Gradient Design Outperforms Standard Cartridges\u003c\/h3\u003e\n\u003cp\u003eThe DGD Series uses two distinct polypropylene layers with different pore structures. The larger-diameter outer layer functions as a depth pre-filter, capturing bulk sediment and preventing premature loading of the inner core. This staged approach increases effective filter depth to 233% of standard spun or string-wound cartridges, allowing the inner post-filter to operate at higher velocities without fouling. The result is exceptional particulate reduction efficiency and dirt-holding capacity that extends replacement intervals in high-sediment well water, municipal supply pre-filtration, and commercial process applications. The 100% polypropylene construction resists chemical attack and bacterial growth while maintaining zero taste, odor, or color contribution to filtered water.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eHousing and Application Requirements\u003c\/h3\u003e\n\u003cp\u003eAll DGD Series cartridges are sized specifically for Pentek Big Blue 10-inch housings with 4.5-inch diameters. These filters are ideal for whole-house systems, well water applications requiring high sediment removal, commercial pre-filtration stages, and municipal supply polishing. Select micron ratings based on source water quality: 25-micron models for heavy sediment loads and pre-filtration, 5-micron for general whole-house use, and 1-micron for final polishing or sensitive equipment protection. Compatible with standard Big Blue housings including Pentek #20 and #10 series.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"1 Micron \/ Single","offer_id":40490859233451,"sku":"155359-43 (DGD-2501)","price":27.99,"currency_code":"USD","in_stock":true},{"title":"1 Micron \/ Two Pack","offer_id":42668510150827,"sku":"2x 155359-43","price":49.0,"currency_code":"USD","in_stock":true},{"title":"1 Micron \/ Three Pack","offer_id":42691817996459,"sku":"3x 155359-43","price":70.0,"currency_code":"USD","in_stock":true},{"title":"1 Micron \/ Four Pack","offer_id":42690222489771,"sku":"4x 155359-43","price":88.0,"currency_code":"USD","in_stock":true},{"title":"5 Micron \/ Single","offer_id":35691282399394,"sku":"155357-43 (DGD-5005)","price":25.0,"currency_code":"USD","in_stock":true},{"title":"5 Micron \/ Two Pack","offer_id":42668510183595,"sku":"2x 155357-43","price":44.0,"currency_code":"USD","in_stock":true},{"title":"5 Micron \/ Three Pack","offer_id":42691818029227,"sku":"3x 155357-43","price":70.0,"currency_code":"USD","in_stock":true},{"title":"5 Micron \/ Four Pack","offer_id":42690222522539,"sku":"4x 155357-43","price":88.0,"currency_code":"USD","in_stock":true},{"title":"25 Micron \/ Single","offer_id":35691282432162,"sku":"155355-43 (DGD-7525)","price":24.01,"currency_code":"USD","in_stock":true},{"title":"25 Micron \/ Two Pack","offer_id":42668510216363,"sku":"(2 Pack) 155355-43 (DGD-7525)","price":46.0,"currency_code":"USD","in_stock":true},{"title":"25 Micron \/ Three Pack","offer_id":42691818061995,"sku":"(3 Pack) 155355-43 (DGD-7525)","price":70.0,"currency_code":"USD","in_stock":true},{"title":"25 Micron \/ Four Pack","offer_id":42690222555307,"sku":"(4 Pack) x 155355-43 (DGD-7525)","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-dgd-series-10-x-45-big-blue-dual-gradient-density-polypropylene-sediment-filter-892905.jpg?v=1762459453"},{"product_id":"united-filters-international-10-x-2-5-depth-string-wound-sediment-filter","title":"United Filters International 10\" x 2.5\" Depth String Wound Polypropylene Sediment Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM 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!important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003eUnited Filters International\u003c\/div\u003e\n\u003ch2\u003e10\" x 2.5\" Depth \u003cem\u003eString Wound Polypropylene Sediment Filter\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"ro-tagline\"\u003eTrue depth filtration with high dirt holding capacity for demanding chemical and industrial applications. Manufactured using continuous wind process for superior one-piece construction.\u003c\/p\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003ePolypropylene Construction\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003eMultiple Micron Ratings\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003eChemical Resistant\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eWHY IT WORKS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eEngineered for Chemical and Temperature Resistance\u003c\/h3\u003e\n\u003cdiv class=\"ro-feature-grid\"\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e🌀\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eTrue Depth Filtration\u003c\/h3\u003e\n\u003cp\u003eContinuous wind process creates graduated density layers that trap sediment throughout the entire filter depth, not just on the surface. Maximizes dirt holding capacity and extends service life.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e🔬\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eExtreme Chemical Compatibility\u003c\/h3\u003e\n\u003cp\u003ePolypropylene media and core handle concentrated acids, alkalis, strong oxidizing agents, and corrosive fluids. Available in FDA and non-FDA configurations for potable or industrial use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e🎯\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eLow Media Migration\u003c\/h3\u003e\n\u003cp\u003eOne-piece construction with high-speed winding eliminates loose fibers and particle shedding. Critical for pre-membrane filtration and sensitive applications like photographic solutions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e♻️\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eClean Disposal\u003c\/h3\u003e\n\u003cp\u003ePolypropylene incinerates to trace ash with excellent micro-organism resistance. Safe handling and disposal for industrial environments rated to 120°F maximum temperature.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eTechnical Details\u003c\/h3\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eDimensions\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e9-7\/8\" x 2.5\" (10\" nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eFilter Media\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003ePolypropylene string wound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eAvailable Micron Ratings\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e0.5, 1, 3, 5, 10, 20, 25, 30, 50, 75, 100, 150, 200 micron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eMaximum Temperature\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e120°F continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eWeight\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e10 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eConstruction\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eOne-piece continuous wind\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eAPPLICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eWhere This Filter Works\u003c\/h3\u003e\n\u003cp\u003eMineral acids, organic solvents, zinc chloride, caustic soda, ferric hydroxide, plating solutions, ethyl alcohol, animal and petroleum oils, vegetable oils, oxidizing agents, alkalis, organic acids, potable water, demineralized water, photographic solutions, pre-membrane filtration for reverse osmosis and ultrafiltration systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eFits Standard 10\" x 2.5\" Housings\u003c\/h3\u003e\n\u003cp\u003eThis United Filters International cartridge fits any standard 10-inch filter housing designed for 2.5\" diameter cartridges. Compatible with whole house systems, RO pre-filtration housings, and industrial filtration equipment. Cross-references FilterCor FCP100R10P and other standard 10\" x 2.5\" string wound sediment filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eMAINTENANCE\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cdiv class=\"filter-schedule\"\u003e\n\u003cdiv class=\"schedule-card\"\u003e\n\u003cdiv class=\"interval\"\u003e3-6 months\u003c\/div\u003e\n\u003ch4\u003eTypical Replacement\u003c\/h4\u003e\n\u003cp\u003eReplace every 6 months under normal municipal water conditions. Heavy sediment loads, industrial applications, or high flow rates may require replacement every 3 months.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"schedule-card\"\u003e\n\u003cdiv class=\"interval\"\u003eMonitor pressure\u003c\/div\u003e\n\u003ch4\u003ePressure Drop Indicator\u003c\/h4\u003e\n\u003cp\u003eReplace filter when pressure drop across housing exceeds 10-15 PSI or when flow rate decreases noticeably. Pressure gauge on housing provides best monitoring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"benefits-strip\"\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e🏭\u003c\/div\u003e\n\u003ch4\u003eIndustrial Grade\u003c\/h4\u003e\n\u003cp\u003eHandles aggressive chemicals and high temperature applications to 120°F\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e📏\u003c\/div\u003e\n\u003ch4\u003eMultiple Micron Options\u003c\/h4\u003e\n\u003cp\u003eAvailable in 13 micron ratings from 0.5 to 200 for precise filtration control\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e🔧\u003c\/div\u003e\n\u003ch4\u003eUniversal Fit\u003c\/h4\u003e\n\u003c\/div\u003e\n\u003cp\u003eStandard 10\" x 2.5\" size fits all compatible housings and systems\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e✓\u003c\/div\u003e\n\u003ch4\u003eTrue Depth Design\u003c\/h4\u003e\n\u003cp\u003eGraduated density layers maximize dirt capacity and extend filter life\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n","brand":"United Filters International","offers":[{"title":"0.5 Micron","offer_id":35692952551586,"sku":"UP.5R10P","price":10.67,"currency_code":"USD","in_stock":true},{"title":"1 Micron","offer_id":35692952584354,"sku":"UP1R10P","price":8.25,"currency_code":"USD","in_stock":true},{"title":"3 Micron","offer_id":35692952617122,"sku":"UP3R10P","price":8.07,"currency_code":"USD","in_stock":true},{"title":"5 Micron","offer_id":35692952649890,"sku":"UP5R10P","price":8.07,"currency_code":"USD","in_stock":true},{"title":"10 Micron","offer_id":35692952682658,"sku":"UP10R10P","price":8.07,"currency_code":"USD","in_stock":true},{"title":"20 Micron","offer_id":35692952715426,"sku":"UP20R10P","price":8.25,"currency_code":"USD","in_stock":true},{"title":"25 Micron","offer_id":35692952748194,"sku":"UP25R10P","price":8.25,"currency_code":"USD","in_stock":true},{"title":"30 Micron","offer_id":35692952780962,"sku":"UP30R10P","price":8.25,"currency_code":"USD","in_stock":true},{"title":"50 Micron","offer_id":35692952813730,"sku":"UP50R10P","price":8.25,"currency_code":"USD","in_stock":true},{"title":"75 Micron","offer_id":35692971884706,"sku":"UP75R10P","price":8.25,"currency_code":"USD","in_stock":true},{"title":"100 Micron","offer_id":35692952846498,"sku":"UP100R10P","price":8.25,"currency_code":"USD","in_stock":true},{"title":"150 Micron","offer_id":39891813105835,"sku":"UP150R10P","price":8.25,"currency_code":"USD","in_stock":true},{"title":"200 Micron","offer_id":35692968575138,"sku":"UP200R10P","price":8.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/united-filters-international-10-x-25-depth-string-wound-polypropylene-sediment-filter-585801.jpg?v=1762459454"},{"product_id":"suez-purtrex-series-10-x-2-5-spun-polypropylene-depth-sediment-filter","title":"SUEZ - Purtrex Series - 10\" x 2.5\" Spun Polypropylene Depth Sediment Filter (Veolia)","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM 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!important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003eSUEZ Water Technologies\u003c\/div\u003e\n\u003ch2\u003e\n\u003cem\u003ePurtrex\u003c\/em\u003e Series Spun Polypropylene Depth Sediment Filter\u003c\/h2\u003e\n\u003cp class=\"ro-tagline\"\u003eThermally bonded depth filtration for high-purity industrial and potable water applications. Available in micron ratings from 1–75 micron for 10\" x 2.5\" standard housings.\u003c\/p\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ NSF 42 \u0026amp; 61 Certified\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ 100% Pure Polypropylene\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Made in USA\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ FDA Food Contact Compliant\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eThe SUEZ Purtrex cartridge is a patented thermally bonded spun polypropylene filter built for long service life and high dirt-holding capacity. Progressive graded density traps particles throughout the depth of the media, preventing surface blinding and extending replacement intervals. Fits all \u003cstrong\u003e10\" x 2.5\"\u003c\/strong\u003e standard housings and compatible with \u003cstrong\u003eRO pretreatment, whole-house sediment, chemical processing, and plating systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eKEY FEATURES\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eWhy Purtrex Outperforms Standard Spun Filters\u003c\/h3\u003e\n\u003cdiv class=\"ro-feature-grid\"\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🧬\u003c\/span\u003e\n\u003ch3\u003eProgressive Density Design\u003c\/h3\u003e\n\u003cp\u003eGraded depth structure captures particles throughout the entire filter media, not just the surface, preventing premature flow restriction and maximizing filter life.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e💧\u003c\/span\u003e\n\u003ch3\u003e100% Pure Polypropylene\u003c\/h3\u003e\n\u003cp\u003eNo wetting agents, solvents, binders, or antistatic additives. Broad chemical compatibility and safe for food contact applications per FDA 21CFR 177.1520.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e⏱️\u003c\/span\u003e\n\u003ch3\u003eExtended Service Life\u003c\/h3\u003e\n\u003cp\u003eExceptional dirt-holding capacity reduces change-out frequency and lowers total cost of ownership in high-turbidity water sources.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🔥\u003c\/span\u003e\n\u003ch3\u003eSafe Disposal\u003c\/h3\u003e\n\u003cp\u003eIncinerates into trace ash with no hazardous volatiles. Compliant with USP Class VI and EU Regulation 1935\/2004\/EC safety standards.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🌐\u003c\/span\u003e\n\u003ch3\u003eWide Micron Range\u003c\/h3\u003e\n\u003cp\u003eAvailable in 1, 3, 5, 10, 20, 30, 50, and 75 micron ratings for precise sediment removal in diverse water quality conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e✅\u003c\/span\u003e\n\u003ch3\u003eMulti-Certified\u003c\/h3\u003e\n\u003cp\u003eNSF 42 and 61 certified, ISO 9001 compliant, and meets EU Plastics Regulation 10\/2011 for potable water contact.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eFits Standard 10\" Housings from Leading Manufacturers\u003c\/h3\u003e\n\u003cp\u003eThe Purtrex filter fits all 10\" x 2.5\" standard filter housings including those from GE Osmonics, Veolia, Pentair, and other major brands. Ideal for reverse osmosis pretreatment, whole-house sediment filtration, chemical processing, electroplating rinse water, beverage production, and municipal potable water polishing. Replaces legacy GE Osmonics Desal and Osmonics-branded spun polypropylene cartridges.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eSUEZ (formerly GE Water, Veolia) manufactures the Purtrex series in the USA under ISO 9001 quality standards. Trusted across industrial and municipal installations worldwide.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"SUEZ","offers":[{"title":"1 Micron \/ Single","offer_id":35707530707106,"sku":"93113 (PX01-9 7\/8)","price":5.42,"currency_code":"USD","in_stock":true},{"title":"1 Micron \/ 40 Pack","offer_id":45341815111851,"sku":"40x 93113","price":175.0,"currency_code":"USD","in_stock":true},{"title":"3 Micron \/ Single","offer_id":35707530739874,"sku":"93112 (PX03-9 7\/8)","price":4.8,"currency_code":"USD","in_stock":true},{"title":"3 Micron \/ 40 Pack","offer_id":45341815144619,"sku":"40x 93112","price":175.0,"currency_code":"USD","in_stock":true},{"title":"5 Micron \/ Single","offer_id":35707530772642,"sku":"93023 (PX05-9 7\/8)","price":4.57,"currency_code":"USD","in_stock":true},{"title":"5 Micron \/ 40 Pack","offer_id":45341815177387,"sku":"40x 93023","price":175.0,"currency_code":"USD","in_stock":true},{"title":"10 Micron \/ Single","offer_id":35707530805410,"sku":"93022 (PX10-9 7\/8)","price":4.06,"currency_code":"USD","in_stock":true},{"title":"10 Micron \/ 40 Pack","offer_id":45341815210155,"sku":"40x 93022","price":175.0,"currency_code":"USD","in_stock":true},{"title":"20 Micron \/ Single","offer_id":35707530838178,"sku":"93021 (PX20-9 7\/8)","price":4.8,"currency_code":"USD","in_stock":true},{"title":"20 Micron \/ 40 Pack","offer_id":45341815242923,"sku":"40x 93021","price":175.0,"currency_code":"USD","in_stock":true},{"title":"30 Micron \/ Single","offer_id":35707530870946,"sku":"93020 (PX30-9 7\/8)","price":3.85,"currency_code":"USD","in_stock":true},{"title":"30 Micron \/ 40 Pack","offer_id":45341815275691,"sku":"40x 93020","price":175.0,"currency_code":"USD","in_stock":true},{"title":"50 Micron \/ Single","offer_id":35707530903714,"sku":"93111 (PX50-9 7\/8)","price":4.8,"currency_code":"USD","in_stock":true},{"title":"50 Micron \/ 40 Pack","offer_id":45341815308459,"sku":"40x 93111","price":175.0,"currency_code":"USD","in_stock":true},{"title":"75 Micron \/ Single","offer_id":35707530936482,"sku":"93110 (PX75-9 7\/8)","price":4.8,"currency_code":"USD","in_stock":true},{"title":"75 Micron \/ 40 Pack","offer_id":45341815341227,"sku":"40x 93110","price":175.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/product-5536601211042-padded.jpg?v=1777270068"},{"product_id":"united-filters-international-20-x-2-5-big-blue-depth-string-wound-sediment-filter","title":"United Filters International 20\" x 2.5\" Depth String Wound Polypropylene Sediment Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    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.ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003eUnited Filters International\u003c\/div\u003e\n\u003ch2\u003e\u003cem\u003e20\" x 2.5\" Depth String Wound Polypropylene Sediment Filter\u003c\/em\u003e\u003c\/h2\u003e\n\u003cdiv class=\"ro-tagline\"\u003eTrue depth filtration with high dirt-holding capacity for demanding whole-house and well water applications\u003c\/div\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Available in 1, 5, 10, 20, 30, 100 micron ratings\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Temperature rated to 120°F\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ FDA and Non-FDA configurations\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Superior chemical resistance\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eUFI's continuous-wind string wound cartridges deliver genuine depth filtration with exceptionally low media migration. Engineered as a single-piece design, these \u003cstrong\u003e20\" x 2.5\" polypropylene filters\u003c\/strong\u003e handle concentrated acids, caustics, oxidizing agents, and corrosive fluids across multiple micron ratings. Built for whole-house, well water, and industrial pre-membrane applications where chemical compatibility and high dirt capacity matter.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eKEY FEATURES\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eWhat Makes This Filter Different\u003c\/h3\u003e\n\u003cdiv class=\"ro-feature-grid\"\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🌀\u003c\/span\u003e\n\u003ch3\u003eTrue Depth Filtration\u003c\/h3\u003e\n\u003cp\u003eHigh-speed continuous wind process creates genuine gradient density from outer to inner layers for superior dirt-holding capacity and longer service life\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🔬\u003c\/span\u003e\n\u003ch3\u003eMinimal Media Migration\u003c\/h3\u003e\n\u003cp\u003eOne-piece construction eliminates adhesives and binders, preventing fiber shedding and ensuring clean effluent downstream\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e⚗️\u003c\/span\u003e\n\u003ch3\u003eBroad Chemical Compatibility\u003c\/h3\u003e\n\u003cp\u003ePolypropylene construction resists mineral acids, organic solvents, caustic soda, plating solutions, oxidizing agents, and alkalis\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🔥\u003c\/span\u003e\n\u003ch3\u003eSafe Disposal\u003c\/h3\u003e\n\u003cp\u003e100% polypropylene media incinerates cleanly to trace ash with excellent microorganism resistance throughout service life\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🎯\u003c\/span\u003e\n\u003ch3\u003eMultiple Micron Options\u003c\/h3\u003e\n\u003cp\u003eAvailable in 1, 5, 10, 20, 30, and 100 micron ratings to match your specific sediment load and filtration requirements\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🏠\u003c\/span\u003e\n\u003ch3\u003eStandard 20\" Housing Fit\u003c\/h3\u003e\n\u003cp\u003eFits all standard 20-inch filter housings with 2.5-inch diameter, making replacement straightforward across multiple brands\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eWhere This Filter Works\u003c\/h3\u003e\n\u003cp\u003eDesigned for 20-inch standard whole-house and well water filter housings. Common applications include mineral acid filtration, organic solvent processing, zinc chloride and ferric hydroxide removal, plating solutions, petroleum and vegetable oil filtration, potable and demineralized water treatment, photographic solutions, and pre-membrane filtration for reverse osmosis systems. Compatible with concentrated acids and alkalis, strong oxidizing agents, corrosive fluids and gases, ethyl alcohol, and caustic soda systems. Recommended filter change interval is every 6 months, though actual service life varies based on sediment load and water quality.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eUnited Filters International has been manufacturing industrial-grade filtration products for demanding chemical and water treatment applications for decades. This is a genuine UFI cartridge built to their continuous-wind specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"United Filters International","offers":[{"title":"1 Micron","offer_id":35692796149922,"sku":"UP1R20P","price":11.0,"currency_code":"USD","in_stock":true},{"title":"5 Micron","offer_id":35692796182690,"sku":"UP5R20P","price":13.0,"currency_code":"USD","in_stock":true},{"title":"10 Micron","offer_id":35692796215458,"sku":"UP10R20P","price":13.0,"currency_code":"USD","in_stock":true},{"title":"20 Micron","offer_id":35692796248226,"sku":"UP20R20P","price":11.0,"currency_code":"USD","in_stock":true},{"title":"30 Micron","offer_id":35692796280994,"sku":"UP30R20P","price":11.0,"currency_code":"USD","in_stock":true},{"title":"100 Micron","offer_id":39891781025963,"sku":"UP100R20P","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/united-filters-international-20-x-25-depth-string-wound-polypropylene-sediment-filter-121192.jpg?v=1762459457"},{"product_id":"pentek-155360-43-20x4-5-big-blue-dgd-2501-20-dual-gradient-polypropylene-sediment-1-micron-filter","title":"Pentek - DGD Series 20\" x 4.5\" Big Blue Dual-Gradient Density Polypropylene Sediment Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM 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!important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\nThe Pentek DGD Series 20\" x 4.5\" dual-gradient sediment filter delivers up to three times the dirt-holding capacity of standard spun or wound cartridges by combining two gradient density layers in a single 100% pure polypropylene construction. Available in three dual-gradient configurations (25\/1, 50\/5, and 75\/25 micron), it fits all standard Big Blue 20\" housings and handles flow rates up to 20 GPM with minimal pressure drop.\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003ePentek DGD-2501 Filter Specifications\u003c\/h2\u003e\n\u003cdiv class=\"spec-cards\"\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eDimensions\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e20\" × 4.5\"\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eFits Big Blue housings\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eMicron Rating\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e25 \/ 1 µm\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eDual-gradient layers\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eFlow Rate\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e20 GPM\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eMaximum rated flow\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003ePressure Drop\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e1 PSI\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eAt 20 GPM flow\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eConstruction\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e100% PP\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eMeltblown polypropylene\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eFilter Depth\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e233%\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003evs. standard cartridges\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eTECHNICAL DETAILS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eDGD Series Model Comparison\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eModel Number\u003c\/th\u003e\n\u003cth\u003ePre-Filter Micron\u003c\/th\u003e\n\u003cth\u003ePost-Filter Micron\u003c\/th\u003e\n\u003cth\u003ePressure Drop\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDGD-2501\u003c\/td\u003e\n\u003ctd\u003e25 micron\u003c\/td\u003e\n\u003ctd\u003e1 micron\u003c\/td\u003e\n\u003ctd\u003e1 PSI @ 20 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDGD-5005\u003c\/td\u003e\n\u003ctd\u003e50 micron\u003c\/td\u003e\n\u003ctd\u003e5 micron\u003c\/td\u003e\n\u003ctd\u003e1 PSI @ 20 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDGD-7525\u003c\/td\u003e\n\u003ctd\u003e75 micron\u003c\/td\u003e\n\u003ctd\u003e25 micron\u003c\/td\u003e\n\u003ctd\u003e1 PSI @ 20 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"4\"\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 100% pure polypropylene meltblown construction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"4\"\u003e\n\u003cstrong\u003eChemical Resistance:\u003c\/strong\u003e Superior compatibility, not prone to bacterial attack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"4\"\u003e\n\u003cstrong\u003ePurity:\u003c\/strong\u003e Will not impart taste, odor, or color to filtered water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"4\"\u003e\n\u003cstrong\u003eEffective Depth:\u003c\/strong\u003e 233% of standard spun or string-wound filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eDesigned for Big Blue Whole-House Systems\u003c\/h2\u003e\n\u003cp\u003eThe Pentek DGD Series filters are engineered for use in all standard 20\" Big Blue housings with 4.5\" diameter openings. The dual-gradient design makes these cartridges ideal for whole-house sediment filtration in residential, rural, municipal, and commercial applications where high particulate loads require extended service life. The outer 25-micron gradient layer captures larger particles and reduces the load on the inner 1-micron layer, allowing the filter to maintain consistent flow rates while achieving fine filtration. Compatible with potable water systems, well water applications, and any installation requiring sediment reduction down to 1 micron without sacrificing capacity or flow performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pro-tip\"\u003e\n💧 \u003cstrong\u003ePro Tip:\u003c\/strong\u003e The DGD-2501 (25\/1 micron) is the workhorse for well water and municipal pre-filtration. For lighter sediment loads or applications requiring only coarse filtration, the DGD-7525 (75\/25 micron) extends service intervals significantly while still providing effective protection for downstream equipment.\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Single (1) \/ 1 Micron","offer_id":35691771494562,"sku":"155360-43","price":65.0,"currency_code":"USD","in_stock":true},{"title":"Single (1) \/ 5 Micron","offer_id":35691771527330,"sku":"155358-43","price":54.94,"currency_code":"USD","in_stock":true},{"title":"Single (1) \/ 25 Micron","offer_id":35691771560098,"sku":"155356-43","price":45.65,"currency_code":"USD","in_stock":true},{"title":"Two Pack (2) \/ 1 Micron","offer_id":42565640519851,"sku":"(2) x 155360-43","price":120.0,"currency_code":"USD","in_stock":true},{"title":"Two Pack (2) \/ 5 Micron","offer_id":42565640552619,"sku":"(2) x 155358-43","price":71.0,"currency_code":"USD","in_stock":true},{"title":"Two Pack (2) \/ 25 Micron","offer_id":42565640585387,"sku":"(2) x 155356-43","price":87.0,"currency_code":"USD","in_stock":true},{"title":"Three Pack (3) \/ 1 Micron","offer_id":42797437059243,"sku":"(3) x 155360-43","price":179.99,"currency_code":"USD","in_stock":true},{"title":"Three Pack (3) \/ 5 Micron","offer_id":42797437092011,"sku":"(3) x 155358-43","price":125.0,"currency_code":"USD","in_stock":true},{"title":"Three Pack (3) \/ 25 Micron","offer_id":42797437124779,"sku":"(3) x 155356-43","price":128.0,"currency_code":"USD","in_stock":true},{"title":"Four Pack (4) \/ 1 Micron","offer_id":42653808001195,"sku":"(4) x 155360-43","price":230.0,"currency_code":"USD","in_stock":true},{"title":"Four Pack (4) \/ 5 Micron","offer_id":42653808033963,"sku":"(4) x 155358-43","price":149.99,"currency_code":"USD","in_stock":true},{"title":"Four Pack (4) \/ 25 Micron","offer_id":42653808066731,"sku":"(4) x 155356-43","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-dgd-series-20-x-45-big-blue-dual-gradient-density-polypropylene-sediment-filter-586025.jpg?v=1759500177"},{"product_id":"watts-rc-w-20-20x-2-5-empty-filter-cartridge","title":"Empty Refillable Cartridge 20\"x 2.5\" White","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM Sans',sans-serif;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-wrap:break-word;word-break:break-word;min-width:0;\n  }\n  .ro-wrap 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!important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003eWatts RC-W-20\u003c\/div\u003e\n\u003ch2\u003e\u003cem\u003eEmpty Refillable Cartridge 20\"x 2.5\" White\u003c\/em\u003e\u003c\/h2\u003e\n\u003cp class=\"ro-tagline\"\u003eA reusable 20-inch filter shell you fill with any media you need. Built for standard housings, designed for flexibility.\u003c\/p\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003eRefillable\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e20\" x 2.5\"\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003eWatts\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eWHAT IT IS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eCustom filtration on your terms\u003c\/h3\u003e\n\u003cp\u003eThe Watts RC-W-20 is an empty polypropylene cartridge that lets you load your own filter media. Whether you need activated carbon, KDF, calcite, specialized resins, or blended media, this 20-inch shell gives you control over what goes into your water. Standard 2.5-inch diameter fits any compatible 20-inch housing.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eWHY IT WORKS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eBuilt for flexibility and repeat use\u003c\/h3\u003e\n\u003cdiv class=\"ro-feature-grid\"\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e🔄\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eReusable Design\u003c\/h3\u003e\n\u003cp\u003eOpen both ends, rinse, refill. Use the same cartridge body dozens of times with fresh media.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e🧪\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eAny Media You Need\u003c\/h3\u003e\n\u003cp\u003eGAC, catalytic carbon, KDF, ion exchange resins, remineralization blends. Your choice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e🔧\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eStandard Fit\u003c\/h3\u003e\n\u003cp\u003eFits all standard 20-inch x 2.5-inch housings. Same dimensions as industry-standard cartridges.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e🛡️\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eDurable Construction\u003c\/h3\u003e\n\u003cp\u003ePolypropylene body resists cracking and holds up to repeated refills and cleaning cycles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eFits standard 20-inch housings\u003c\/h3\u003e\n\u003cp\u003eThis cartridge works in any filter housing designed for 20-inch x 2.5-inch cartridges, including Watts, Pentek, Culligan, GE, Hydronix, and other manufacturers using the industry-standard Big Blue or slim-line 20-inch format. Confirm your housing interior dimensions before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eMAINTENANCE\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eRefill when performance drops\u003c\/h3\u003e\n\u003cdiv class=\"filter-schedule\"\u003e\n\u003cdiv class=\"schedule-card\"\u003e\n\u003cdiv class=\"interval\"\u003e3–6 months\u003c\/div\u003e\n\u003ch4\u003eTypical Media Lifespan\u003c\/h4\u003e\n\u003cp\u003eReplace or recharge the filter media inside based on water quality and flow rate. The cartridge shell itself can be reused indefinitely.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"schedule-card\"\u003e\n\u003cdiv class=\"interval\"\u003eAs needed\u003c\/div\u003e\n\u003ch4\u003eClean and Refill\u003c\/h4\u003e\n\u003cp\u003eRinse cartridge interior with warm water between refills. Inspect end caps and threads for wear before reassembly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"benefits-strip\"\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e💰\u003c\/div\u003e\n\u003ch4\u003eCost Effective\u003c\/h4\u003e\n\u003cp\u003eBuy media in bulk and refill yourself instead of replacing entire cartridges every cycle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e🎯\u003c\/div\u003e\n\u003ch4\u003eCustom Blends\u003c\/h4\u003e\n\u003cp\u003eLayer different media types or create custom blends for specific contaminants in your water.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e♻️\u003c\/div\u003e\n\u003ch4\u003eLess Waste\u003c\/h4\u003e\n\u003cp\u003eReuse the shell, replace only the media. Reduce landfill contributions from disposable cartridges.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":35470216167586,"sku":"RC-W-20","price":23.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/empty-refillable-cartridge-20x-25-white-203524.jpg?v=1759500209"},{"product_id":"harmsco-801-5-20-20x2-5-801-series-sediment-pleated-5-micron-filter","title":"Harmsco (801-5-20) 20\"x2.5\" 801 Series Sediment Pleated 5 Micron Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    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td{padding:10px 12px;border-bottom:1px solid var(--slate);color:var(--text);}\n  .ro-wrap .conditions-table tr:nth-child(even) td{background:var(--offwhite);}\n  .ro-wrap .ro-feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(220px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .ro-feature-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:20px 18px;}\n  .ro-wrap .ro-feat-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--ocean),var(--sky));border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;}\n  .ro-wrap .ro-feature-card h3{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .ro-feature-card p{font-size:18px !important;color:var(--muted);line-height:1.55;margin:0;}\n  .ro-wrap .pro-tip{display:block;background:#fffbeb;border:1px solid #f5d87a;border-radius:var(--radius);padding:18px 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!important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\nThe Harmsco 801-5-20 is a 20-inch by 2.5-inch pleated sediment filter engineered to capture particles down to 5 microns in whole-house and well water applications. Its pleated polyester design delivers high dirt-holding capacity and extended service life compared to standard spun cartridges.\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eHarmsco 801-5-20 Filter Details\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003e801-5-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e20\" x 2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicron Rating\u003c\/td\u003e\n\u003ctd\u003e5 micron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003ePleated sediment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia\u003c\/td\u003e\n\u003ctd\u003ePolyester\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eHarmsco 801 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplications\u003c\/td\u003e\n\u003ctd\u003eWhole-house, well water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Compatibility\u003c\/td\u003e\n\u003ctd\u003eStandard 20\" housings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eINSTALLATION \u0026amp; USE\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eInstalling Your Harmsco 801-5-20\u003c\/h2\u003e\n\u003col class=\"install-steps\"\u003e\n\u003cli\u003eShut off water supply and relieve system pressure by opening a downstream faucet\u003c\/li\u003e\n\u003cli\u003eUnscrew the filter housing and remove the old cartridge\u003c\/li\u003e\n\u003cli\u003eInsert the Harmsco 801-5-20 cartridge, ensuring it seats properly on the center post\u003c\/li\u003e\n\u003cli\u003eCheck and lubricate the housing o-ring, then hand-tighten the housing back into place\u003c\/li\u003e\n\u003cli\u003eTurn water supply back on slowly and inspect for leaks before restoring full pressure\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eWhat Works with This Filter\u003c\/h2\u003e\n\u003cp\u003eThe Harmsco 801-5-20 fits any standard 20-inch filter housing with a 2.5-inch inner diameter. It is designed for use in Harmsco's own housing systems as well as compatible whole-house and well water housings from other manufacturers. This 5 micron pleated cartridge is ideal for sediment removal in residential, light commercial, and agricultural water treatment applications where higher flow rates and longer service intervals are required.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pro-tip\"\u003e\n🔧 \u003cstrong\u003ePro tip:\u003c\/strong\u003e Pleated filters like the Harmsco 801-5-20 can often be rinsed and reused 2-3 times before replacement, extending filter life in high-sediment well water applications. Use a garden hose to flush from the inside out, then inspect the pleats for damage before reinstalling.\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Harmsco","offers":[{"title":"Default Title","offer_id":35470352580770,"sku":"801-5-20","price":42.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/harmsco-801-5-20-20x25-801-series-sediment-pleated-5-micron-filter-467205.jpg?v=1762459545"},{"product_id":"harmsco-801-0-35-20-20x2-5-801-series-sediment-pleated-0-35-micron-filter","title":"Harmsco (801-0.35-20) 20\"x2.5\" 801 Series Sediment Pleated 0.35 Micron Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    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!important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003eHarmsco 801 Series • Professional Grade Sediment Filtration\u003c\/div\u003e\n\u003ch2\u003e\n\u003cem\u003eHarmsco 801-0.35-20\u003c\/em\u003e Pleated Sediment Filter\u003c\/h2\u003e\n\u003cdiv class=\"ro-tagline\"\u003e20\" x 2.5\" pleated polyester cartridge with 0.35 micron rating for exceptional sediment removal in whole-house and well water applications\u003c\/div\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ 0.35 Micron Filtration\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ NSF 61 Certified\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Reusable Design\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ 50% More Surface Area\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eThe Harmsco 801-0.35-20 delivers sub-micron sediment removal with a pleated polyester design engineered for maximum surface area and flow efficiency. Built for \u003cstrong\u003e20\" x 2.5\" standard housings\u003c\/strong\u003e, this \u003cstrong\u003e0.35 micron filter\u003c\/strong\u003e combines FDA-approved materials with thermally bonded construction for long service life and the lowest cost per gallon filtered.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eKEY FEATURES\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eEngineered for Performance and Longevity\u003c\/h3\u003e\n\u003cdiv class=\"ro-feature-grid\"\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e📐\u003c\/span\u003e\n\u003ch3\u003ePleated Polyester Media\u003c\/h3\u003e\n\u003cp\u003eUp to 50% more surface area than competitive filters for superior contaminant capture and longer filtration runs between change-outs\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e💧\u003c\/span\u003e\n\u003ch3\u003eLow Pressure Drop Design\u003c\/h3\u003e\n\u003cp\u003eOptimized pleat geometry maintains high flow rates while minimizing pressure loss across the filter for efficient whole-house performance\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🔬\u003c\/span\u003e\n\u003ch3\u003e0.35 Micron Rating\u003c\/h3\u003e\n\u003cp\u003eSub-micron filtration removes fine sediment, silt, sand, and particulates for exceptional water clarity and protection of downstream equipment\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🔄\u003c\/span\u003e\n\u003ch3\u003eReusable \u0026amp; Cleanable\u003c\/h3\u003e\n\u003cp\u003eDurable construction allows for cleaning and reuse, reducing replacement frequency and lowering your total cost of ownership\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🛡️\u003c\/span\u003e\n\u003ch3\u003eThermally Bonded Construction\u003c\/h3\u003e\n\u003cp\u003eNo adhesives or binders—thermal bonding creates a stronger seal and longer usable life without risk of media migration\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e✓\u003c\/span\u003e\n\u003ch3\u003eNSF 61 Certified Materials\u003c\/h3\u003e\n\u003cp\u003eFDA-approved polyester media meets NSF\/ANSI Standard 61 for drinking water system components, ensuring safe contact with potable water\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eStandard 20\" x 2.5\" Housing Fit\u003c\/h3\u003e\n\u003cp\u003eThe Harmsco 801-0.35-20 fits all standard 20-inch sediment filter housings with 2.5-inch outer diameter capacity. Ideal for whole-house water filtration systems, well water treatment, and pre-filtration for RO systems, water softeners, UV sterilizers, and other sensitive equipment requiring fine sediment removal. Color-coded end caps ensure easy identification during maintenance. Compatible with Harmsco HIF, Pentek, Culligan, and other major brand 20\" x 2.5\" housings.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eHarmsco has been engineering high-performance filtration solutions for over 40 years. Each 801 Series cartridge is manufactured to exacting standards for reliable, cost-effective sediment control.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":35470352613538,"sku":"801-0.35-20","price":64.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/harmsco-801-035-20-20x25-801-series-sediment-pleated-035-micron-filter-517467.jpg?v=1762459546"},{"product_id":"harmsco-801-50-20-20x2-5-801-series-sediment-pleated-50-micron-filter","title":"Harmsco (801-50-20) 20\"x2.5\" 801 Series Sediment Pleated 50 Micron Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    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.ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003eHarmsco 801 Series\u003c\/div\u003e\n\u003ch2\u003e20\" x 2.5\" Pleated Sediment Filter — \u003cem\u003e50 Micron\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"ro-tagline\"\u003eHigh-capacity polyester pleated design engineered for whole-house and well water applications where sediment load is high and flow rates matter\u003c\/p\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e50 Micron\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003ePleated Polyester\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003eNSF 61 Certified\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003eReusable\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eWHY IT WORKS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eBuilt for volume filtration without sacrificing flow\u003c\/h3\u003e\n\u003cdiv class=\"ro-feature-grid\"\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e📐\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003e50% More Surface Area\u003c\/h3\u003e\n\u003cp\u003ePleated design maximizes filtration contact points compared to wound or spun cartridges, extending service life and capturing more sediment before pressure drop becomes an issue\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e💧\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eThermal Bonding\u003c\/h3\u003e\n\u003cp\u003eNo glues or adhesives. End caps are thermally bonded to the polyester media, preventing bypass and ensuring structural integrity through repeated cleaning cycles\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e🔄\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eReusable Construction\u003c\/h3\u003e\n\u003cp\u003eRinse and reuse multiple times before replacement. The Harmsco 801-50-20 can be cleaned with a garden hose or pressure washer, lowering cost per gallon filtered\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cdiv class=\"ro-feat-icon\"\u003e\u003cspan\u003e⚡\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eLow Pressure Drop\u003c\/h3\u003e\n\u003cp\u003eEngineered polyester media maintains consistent flow rates even as sediment loads, ideal for whole-house systems and well applications where flow demand is constant\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eHarmsco 801-50-20 Technical Details\u003c\/h3\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eModel Number\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e801-50-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eDimensions\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e20\" x 2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eMicron Rating\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e50 micron (nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eMedia Type\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003ePleated polyester\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eConstruction\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eThermally bonded end caps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eCertifications\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eNSF 61, FDA approved materials\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-label\"\u003eReusability\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eYes, cleanable and reusable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eHousing Requirements\u003c\/h3\u003e\n\u003cp\u003eThe Harmsco 801-50-20 fits all standard 20-inch housings with 2.5-inch diameter capacity. Compatible with Harmsco whole-house filter systems, well water housings, and any third-party 20\" x 2.5\" standard filter housing with center tube design. Color-coded end caps simplify identification during maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eMAINTENANCE\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eService Intervals\u003c\/h3\u003e\n\u003cdiv class=\"filter-schedule\"\u003e\n\u003cdiv class=\"schedule-card\"\u003e\n\u003cdiv class=\"interval\"\u003eEvery 1–3 Months\u003c\/div\u003e\n\u003ch4\u003eRinse and Reinstall\u003c\/h4\u003e\n\u003cp\u003eRemove cartridge from housing and rinse with garden hose or pressure washer to remove accumulated sediment. Inspect for damage before reinstalling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"schedule-card\"\u003e\n\u003cdiv class=\"interval\"\u003eEvery 6–12 Months\u003c\/div\u003e\n\u003ch4\u003eReplace Cartridge\u003c\/h4\u003e\n\u003cp\u003eAfter multiple cleanings, polyester media will lose effectiveness. Replace the Harmsco 801-50-20 when pressure drop increases or visible wear appears on pleats.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"benefits-strip\"\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e🏠\u003c\/div\u003e\n\u003ch4\u003eWhole-House Ready\u003c\/h4\u003e\n\u003cp\u003eEngineered for high flow rates in residential well and municipal systems\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e💰\u003c\/div\u003e\n\u003ch4\u003eLowest Cost Per Gallon\u003c\/h4\u003e\n\u003cp\u003eReusable design and extended service life reduce replacement frequency\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e🔬\u003c\/div\u003e\n\u003ch4\u003eNSF 61 Certified\u003c\/h4\u003e\n\u003cp\u003eFDA approved materials safe for drinking water contact\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-item\"\u003e\n\u003cdiv class=\"bi-icon\"\u003e🎯\u003c\/div\u003e\n\u003ch4\u003eColor-Coded Caps\u003c\/h4\u003e\n\u003cp\u003eVisual identification makes filter changes faster and foolproof\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Harmsco","offers":[{"title":"Default Title","offer_id":35470352679074,"sku":"801-50-20","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/harmsco-801-50-20-20x25-801-series-sediment-pleated-50-micron-filter-898281.jpg?v=1759500223"},{"product_id":"pentek-mg-ccbr-microguard-coconut-shell-carbon-lead-cyst-filter","title":"Pentek - MG-CCBR - Microguard Coconut Shell Carbon Lead Cyst Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    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var(--radius);overflow:hidden;}\n  .ro-wrap .benefit-item{flex:1 1 200px;padding:24px 22px;border-right:1px solid rgba(255,255,255,.1);}\n  .ro-wrap .benefit-item:last-child{border-right:none;}\n  .ro-wrap .bi-icon{font-size:22px !important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px 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.benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003ePentek MicroGuard Technology\u003c\/div\u003e\n\u003ch2\u003eMG-CCBR Coconut Shell Carbon Lead Cyst Filter\u003c\/h2\u003e\n\u003cdiv class=\"ro-tagline\"\u003eAbsolute 0.15 micron membrane filtration with integrated carbon block for bacteria, cyst, and lead reduction\u003c\/div\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e99.9999% Bacteria Reduction\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e99.99% Cyst Reduction\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003eLead \u0026amp; Chlorine Removal\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003eCoconut Shell Carbon\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eThe Pentek MG-CCBR combines a pleated 0.15 micron absolute membrane with coconut shell carbon block and sediment pre-filtration in a single cartridge. This triple-action design delivers microbiological safety, chemical reduction, and extended service life without adding chemicals to your water.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eHOW IT WORKS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eThree-Stage Filtration in One Cartridge\u003c\/h2\u003e\n\u003cdiv class=\"stage-pipeline\"\u003e\n\n\u003cdiv class=\"stage-row\"\u003e\n\u003cdiv class=\"stage-line\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"stage-num\"\u003e1\u003c\/div\u003e\n\u003cdiv class=\"stage-body\"\u003e\n\u003cspan class=\"stage-tag\"\u003eSEDIMENT\u003c\/span\u003e\n\u003ch3\u003ePre-Filtration Layer\u003c\/h3\u003e\n\u003cp\u003eOuter sediment pre-filter captures larger particles, rust, and debris to protect the carbon block and membrane layers from premature fouling and extend overall cartridge life.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"stage-row\"\u003e\n\u003cdiv class=\"stage-line\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"stage-num\"\u003e2\u003c\/div\u003e\n\u003cdiv class=\"stage-body\"\u003e\n\u003cspan class=\"stage-tag\"\u003eCARBON\u003c\/span\u003e\n\u003ch3\u003eCoconut Shell Carbon Block\u003c\/h3\u003e\n\u003cp\u003eActivated coconut carbon reduces chlorine, chloramines, lead, VOCs, and taste and odor compounds through adsorption. Coconut shell carbon offers superior micropore structure compared to coal-based alternatives.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"stage-row\"\u003e\n\u003cdiv class=\"stage-line\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"stage-num\"\u003e3\u003c\/div\u003e\n\u003cdiv class=\"stage-body\"\u003e\n\u003cspan class=\"stage-tag\"\u003eMEMBRANE\u003c\/span\u003e\n\u003ch3\u003e0.15 Micron Absolute MicroGuard Membrane\u003c\/h3\u003e\n\u003cp\u003ePleated membrane provides absolute 0.15 micron retention to physically remove bacteria, Cryptosporidium, Giardia, and other protozoan cysts. Achieves greater than 6 Log bacteria reduction and 4 Log cyst reduction without chemicals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003ePentek MG-CCBR Technical Details\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eModel Number\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003eMG-CCBR (Pentek 255682-43)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eFiltration Rating\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003eAbsolute 0.15 micron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eBacteria Reduction\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e99.9999% (\u0026gt;6 Log)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eCyst Reduction\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e99.99% (\u0026gt;4 Log)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eCarbon Media\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003eCoconut shell activated carbon block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eDimensions\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003eStandard 10-inch cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eHousing Compatibility\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003eStandard 3G housings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eMax Temperature\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e100°F (38°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-key\"\u003eReplacement Interval\u003c\/td\u003e\n\u003ctd class=\"spec-val\"\u003e6-12 months depending on water quality\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eHousing Requirements\u003c\/h2\u003e\n\u003cp\u003eThe Pentek MG-CCBR fits all standard 10-inch filter housings with 3G threads, including Pentek, Pentair, and most aftermarket brands. The cartridge requires a sump-style housing with adequate clearance for the 2.75-inch outer diameter. For best performance in microbiological applications, install as the final stage after sediment pre-filtration or use as a standalone unit in municipally treated water where microbial contamination is a concern.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Pentek","offers":[{"title":"Default Title","offer_id":35470487584930,"sku":"255682-43","price":76.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/pentek-mg-ccbr-microguard-coconut-shell-carbon-lead-cyst-filter-803748.jpg?v=1759500330"},{"product_id":"omnipure-omb934-9-75-x-2-75-carbon-block-filter","title":"Omnipure - OMB934 - 9.75\" x 2.75\" Carbon Block Filter","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    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!important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .ro-feature-card p{font-size:18px !important;color:var(--muted);line-height:1.55;margin:0;}\n  .ro-wrap .pro-tip{display:block;background:#fffbeb;border:1px solid #f5d87a;border-radius:var(--radius);padding:18px 20px;margin-top:20px;box-sizing:border-box;width:100% !important;}\n  .ro-wrap .pro-tip-icon{font-size:22px !important;display:inline;margin-right:8px;line-height:1.6 !important;}\n  .ro-wrap .pro-tip p{font-size:18px !important;color:#5a4500;line-height:1.6 !important;margin:0;display:block;width:100%;}\n  .ro-wrap .pro-tip strong{color:#3d2e00;}\n  .ro-wrap .install-steps{counter-reset:step;list-style:none;padding:0;margin:4px 0 0;display:flex;flex-direction:column;gap:14px;}\n  .ro-wrap .install-steps li{counter-increment:step;display:flex;align-items:flex-start;gap:14px;font-size:18px !important;color:var(--text);}\n  .ro-wrap .install-steps 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var(--radius);overflow:hidden;}\n  .ro-wrap .benefit-item{flex:1 1 200px;padding:24px 22px;border-right:1px solid rgba(255,255,255,.1);}\n  .ro-wrap .benefit-item:last-child{border-right:none;}\n  .ro-wrap .bi-icon{font-size:22px !important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n  \u003cdiv class=\"ro-hero\"\u003e\n    \u003cdiv class=\"ro-eyebrow\"\u003eOmnipure OMB934 Series\u003c\/div\u003e\n    \u003ch2\u003e9.75\" x 2.75\" Carbon Block Filter\u003c\/h2\u003e\n    \u003cdiv class=\"ro-tagline\"\u003ePrecision-manufactured carbon block media with consistent micron ratings for RO and whole-house applications\u003c\/div\u003e\n    \u003cdiv class=\"ro-badges\"\u003e\n      \u003cspan class=\"ro-badge\"\u003eNSF Certified\u003c\/span\u003e\n      \u003cspan class=\"ro-badge\"\u003eMade in USA\u003c\/span\u003e\n      \u003cspan class=\"ro-badge\"\u003e0.5 to 10 Micron Options\u003c\/span\u003e\n      \u003cspan class=\"ro-badge\"\u003e6-12 Month Service Life\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-callout\"\u003e\n    \u003cp\u003eThe Omnipure OMB934 series delivers consistent chlorine and sediment reduction in a compact 10\" x 2.5\" form factor. Each cartridge is manufactured entirely at Omnipure's US facility using high-density carbon block media finished with spun-bonded polypropylene netting and compression gasket end caps.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n    \u003ch3 class=\"ro-title\"\u003eOMB934 Technical Details\u003c\/h3\u003e\n    \u003cdiv class=\"specs-table\"\u003e\n      \u003cdiv class=\"spec-row\"\u003e\n        \u003cspan class=\"spec-label\"\u003eDimensions\u003c\/span\u003e\n        \u003cspan class=\"spec-value\"\u003e9.75\" x 2.87\"\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"spec-row\"\u003e\n        \u003cspan class=\"spec-label\"\u003eFilter Media\u003c\/span\u003e\n        \u003cspan class=\"spec-value\"\u003eCarbon Block\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"spec-row\"\u003e\n        \u003cspan class=\"spec-label\"\u003eMicron Ratings\u003c\/span\u003e\n        \u003cspan class=\"spec-value\"\u003e0.5, 1, 5, or 10 micron\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"spec-row\"\u003e\n        \u003cspan class=\"spec-label\"\u003eEnd Caps\u003c\/span\u003e\n        \u003cspan class=\"spec-value\"\u003ePolypropylene with compression gaskets\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"spec-row\"\u003e\n        \u003cspan class=\"spec-label\"\u003eOuter Wrap\u003c\/span\u003e\n        \u003cspan class=\"spec-value\"\u003eSpun-bonded polypropylene netting\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"spec-row\"\u003e\n        \u003cspan class=\"spec-label\"\u003eReduces\u003c\/span\u003e\n        \u003cspan class=\"spec-value\"\u003eChlorine, taste, odor, sediment\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"spec-row\"\u003e\n        \u003cspan class=\"spec-label\"\u003eService Life\u003c\/span\u003e\n        \u003cspan class=\"spec-value\"\u003e6-12 months (usage dependent)\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"spec-row\"\u003e\n        \u003cspan class=\"spec-label\"\u003eCertification\u003c\/span\u003e\n        \u003cspan class=\"spec-value\"\u003eNSF Certified\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n    \u003ch3 class=\"ro-title\"\u003eStandard 10\" Housing Fit\u003c\/h3\u003e\n    \u003cp\u003eThe OMB934 fits all standard 10-inch filter housings with 2.5\" diameter capacity. Commonly used as pre-filtration in reverse osmosis systems, whole-house applications, and commercial installations. Select micron rating based on water quality and application: 10 micron for heavy sediment loads, 5 micron for general use, 1 micron for fine sediment and RO pre-filtration, or 0.5 micron for maximum particulate reduction. Compatible with brands including Pentek, Hydronix, Watts, and other manufacturers using standard 10\" x 2.5\" cartridge sizing.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Omnipure","offers":[{"title":"0.5 Micron \/ One Pack","offer_id":35833296748706,"sku":"OMB934-0.5","price":19.99,"currency_code":"USD","in_stock":true},{"title":"1 Micron \/ One Pack","offer_id":35833296781474,"sku":"OMB934-1","price":17.42,"currency_code":"USD","in_stock":true},{"title":"5 Micron \/ One Pack","offer_id":35833296814242,"sku":"OMB934-MAX5","price":11.41,"currency_code":"USD","in_stock":true},{"title":"10 Micron \/ One Pack","offer_id":35833296847010,"sku":"OMB934XF","price":15.0,"currency_code":"USD","in_stock":true},{"title":"0.5 Micron \/ Two Pack","offer_id":43901188505771,"sku":"2xOMB934-0.5","price":37.98,"currency_code":"USD","in_stock":true},{"title":"0.5 Micron \/ Three Pack","offer_id":43901188538539,"sku":"3xOMB934-0.5","price":56.97,"currency_code":"USD","in_stock":true},{"title":"1 Micron \/ Two Pack","offer_id":43901188571307,"sku":"2xOMB934-1","price":34.11,"currency_code":"USD","in_stock":true},{"title":"1 Micron \/ Three Pack","offer_id":43901188604075,"sku":"3xOMB934-1","price":51.16,"currency_code":"USD","in_stock":true},{"title":"5 Micron \/ Two Pack","offer_id":43901188636843,"sku":"2xOMB934-MAX5","price":21.68,"currency_code":"USD","in_stock":true},{"title":"5 Micron \/ Three Pack","offer_id":43901188669611,"sku":"3xOMB934-MAX5","price":32.52,"currency_code":"USD","in_stock":true},{"title":"10 Micron \/ Two Pack","offer_id":43901188702379,"sku":"2xOMB934XF","price":28.5,"currency_code":"USD","in_stock":true},{"title":"10 Micron \/ Three Pack","offer_id":43901188735147,"sku":"3xOMB934XF","price":42.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/omnipure-omb934-975-x-275-carbon-block-filter-471632.jpg?v=1762459720"},{"product_id":"omnipure-omb934-1l-9-75-x-2-75-carbon-block-filter-1-micron-lead-removal","title":"Omnipure - OMB934-1MPB - 9.75\" x 2.75\" Carbon Block Filter - 1 Micron Lead Removal","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM 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!important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n  \u003cdiv class=\"ro-hero\"\u003e\n    \u003cdiv class=\"ro-eyebrow\"\u003eOmnipure OMB934-1MPB\u003c\/div\u003e\n    \u003ch2\u003e9.75\" x 2.75\" Carbon Block Filter with Lead Removal\u003c\/h2\u003e\n    \u003cdiv class=\"ro-tagline\"\u003e1 micron carbon block designed for comprehensive chemical and heavy metal reduction in residential and commercial applications\u003c\/div\u003e\n    \u003cdiv class=\"ro-badges\"\u003e\n      \u003cspan class=\"ro-badge\"\u003e1 Micron Filtration\u003c\/span\u003e\n      \u003cspan class=\"ro-badge\"\u003eLead Reduction Certified\u003c\/span\u003e\n      \u003cspan class=\"ro-badge\"\u003e6,500 Gallon Chlorine Capacity\u003c\/span\u003e\n      \u003cspan class=\"ro-badge\"\u003eStandard 10\" Housing Fit\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-callout\"\u003e\n    \u003cp\u003eThe Omnipure OMB934-1MPB combines activated carbon block technology with lead reduction media in a standard 10-inch format. This filter handles chlorine, taste, odor, and heavy metal removal in a single cartridge, making it a practical choice for point-of-use drinking water systems, RO pre-filtration, and food service equipment.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n    \u003cdiv class=\"ro-title\"\u003eFilter Details\u003c\/div\u003e\n    \u003ctable class=\"specs-table\"\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003eOMB934-1MPB\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eDimensions\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e9.75\" H x 2.75\" D\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eMicron Rating\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e1 Micron Nominal\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eFilter Media\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003eCarbon Block with Lead Reduction\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eChlorine Capacity\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e6,500 Gallons\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eLead Reduction Capacity\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e2,500 Gallons\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eHousing Compatibility\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003eStandard 10\" x 2.5\" Housings\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n    \u003cdiv class=\"ro-title\"\u003eWhere This Filter Works\u003c\/div\u003e\n    \u003cp\u003eThe OMB934-1MPB fits any standard 10-inch filter housing with 2.5-inch diameter capacity. Common applications include under-sink drinking water systems, reverse osmosis pre-filtration and post-filtration stages, water coolers, ice makers, and commercial food service equipment. The 1 micron rating also provides effective sediment filtration alongside chemical and heavy metal reduction, making it suitable for both residential and light commercial installations where lead removal is a priority.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Omnipure","offers":[{"title":"Default Title","offer_id":35470518354082,"sku":"OMB934-1L","price":22.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/omnipure-omb934-1mpb-975-x-275-carbon-block-filter-1-micron-lead-removal-303164.jpg?v=1762459721"},{"product_id":"omnipure-ocb934ro-9-75-x-3-gac-granular-activated-carbon-filter-cartridge","title":"Omnipure - OCB934RO - 9.75\" x 3\" (GAC) Granular Activated Carbon Filter Cartridge","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" 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.ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n  \u003cdiv class=\"ro-hero\"\u003e\n    \u003cdiv class=\"ro-eyebrow\"\u003eOmnipure OCB-Series\u003c\/div\u003e\n    \u003ch2\u003eOCB934RO Granular Activated Carbon Filter Cartridge\u003c\/h2\u003e\n    \u003cdiv class=\"ro-tagline\"\u003eHigh-volume GAC filtration for chlorine, taste, and odor removal in standard 10\" housings\u003c\/div\u003e\n    \u003cdiv class=\"ro-badges\"\u003e\n      \u003cspan class=\"ro-badge\"\u003eNSF Certified\u003c\/span\u003e\n      \u003cspan class=\"ro-badge\"\u003e9.75\" × 3\"\u003c\/span\u003e\n      \u003cspan class=\"ro-badge\"\u003eGAC Media\u003c\/span\u003e\n      \u003cspan class=\"ro-badge\"\u003e6-12 Month Lifespan\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-callout\"\u003e\n    \u003cp\u003eThe Omnipure OCB934RO uses loose granular activated carbon to reduce chlorine, taste, and odor in residential and light commercial water systems. The compressed GAC media delivers high-volume filtration while maintaining low pressure drop across the cartridge.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n    \u003cdiv class=\"ro-title\"\u003eFilter Details\u003c\/div\u003e\n    \u003ctable class=\"specs-table\"\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003eOCB934RO\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eDimensions\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e9.75\" × 3\"\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eMedia Type\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003eGranular Activated Carbon (GAC)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003ePrimary Reduction\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003eChlorine, taste, odor\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eCertification\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003eNSF Certified\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eService Life\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003e6-12 months (depending on water quality)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd class=\"spec-label\"\u003eHousing Size\u003c\/td\u003e\n        \u003ctd class=\"spec-value\"\u003eStandard 10\" × 2.5\" or 10\" × 4.5\"\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ro-section\"\u003e\n    \u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n    \u003cdiv class=\"ro-title\"\u003eHousing \u0026amp; Interchange Information\u003c\/div\u003e\n    \u003cp\u003eThe OCB934RO fits most standard 10-inch filter housings, including Omnipure, Pentek, and comparable brands. Interchangeable models include the OCB934RO T\/28, OCB934RO T\/33, and OCB934RO T\/40, which differ in end cap thread configurations. Confirm your housing's thread type before ordering. This cartridge is commonly used as a pre-filter or post-filter in reverse osmosis systems and point-of-use applications where chlorine removal is needed.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Omnipure","offers":[{"title":"Coconut Shell Acid Washed GAC T28","offer_id":35836445655202,"sku":"OCB934RO T28","price":15.5,"currency_code":"USD","in_stock":true},{"title":"Coconut Shell Acid Washed GAC T33","offer_id":35836445687970,"sku":"OCB934RO T33","price":14.94,"currency_code":"USD","in_stock":true},{"title":"Coconut Shell Acid Washed GAC T40","offer_id":35836445720738,"sku":"OCB934RO T40","price":14.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/omnipure-ocb934ro-975-x-3-gac-granular-activated-carbon-filter-cartridge-226640.jpg?v=1762459723"}],"url":"https:\/\/www.isopurewater.com\/collections\/replacement-filters.oembed?page=19","provider":"Isopure Water","version":"1.0","type":"link"}